Sleep Medicine

TOPLINE:

A genetic predisposition to sleep 5 or fewer hours per night is associated with a significantly higher risk for subsequent depression. However, a genetic propensity to depression is not associated with suboptimal sleep patterns later on, new research shows.

METHODOLOGY:

• The analysis included participants in the English Longitudinal Study of Ageing (ELSA), a prospective cohort study of a representative U.K. sample (mean age, 65 years) that is assessed biennially.
• Researchers collected data on sleep duration and depression through nursing home visits and computer-assisted personal interviews and used combined ELSA waves from 2004 to 2008, when collection of genetic data began.
• Using genome-wide association studies from the U.K. Biobank, the authors constructed polygenic scores (PGSs) to predict an individual’s genetic risk over an average of 8 years for a disease or outcome, overall sleep duration, short sleep (≤ 5 hours nightly), long sleep (≥ 9 hours of sleep nightly), and depression.
• The analysis included two analytic samples; one involved 6,521 persons to determine the role of baseline sleep on depression (assessed using the Center for Epidemiologic Studies Depression Scale) at follow-up, and the other involved 6,070 persons to determine the role of baseline depression on suboptimal sleep at follow-up.

TAKEAWAY:

• After adjustments, including for age and sex, a 1–standard deviation increase in PGS for short sleep was associated with an increase of 14% in odds of developing depression during the follow-up period (odds ratio, 1.14; P = .008).
• There was no significant association of the PGS for sleep duration (P = .053) or long sleep (P = .544) with the onset of depression.
• There were no significant associations between PGS for depression and future overall sleep duration, short sleep, and long sleep by the end of the follow-up, suggesting that different mechanisms underlie the relationship between depression and subsequent onset of suboptimal sleep in older adults.
• Several sensitivity analyses – including additional adjustment for socioeconomic, environmental, and behavioral factors – upheld the findings of the main analysis, highlighting the robustness of the results.

IN PRACTICE:

The study showed that common genetic markers for short sleep play an important role in the incidence of depression in older adults, the authors note, adding that the new findings “support a growing view that short-sleep is more salient to the experience of depression than long sleep” across the lifespan.

SOURCE:

The study was led by Odessa S. Hamilton, department of behavioral science and health, University College London. It was published online  in Translational Psychiatry.

LIMITATIONS:

There are probably intraindividual differences in sleep duration that were not assessed in the study. The depression scale used may be indicative of subclinical depression and not major depressive disorder. The phenotypic sensitivity analyses did not account for comorbidities or medications that can affect sleep duration and depression.

DISCLOSURES:

ELSA is funded by the National Institute on Aging and by a consortium of U.K. government departments coordinated by the National Institute for Health and Care Research. The authors report no relevant conflicts of interests.

A version of this article first appeared on Medscape.com.

TOPLINE:

A genetic predisposition to sleep 5 or fewer hours per night is associated with a significantly higher risk for subsequent depression. However, a genetic propensity to depression is not associated with suboptimal sleep patterns later on, new research shows.

METHODOLOGY:

• The analysis included participants in the English Longitudinal Study of Ageing (ELSA), a prospective cohort study of a representative U.K. sample (mean age, 65 years) that is assessed biennially.
• Researchers collected data on sleep duration and depression through nursing home visits and computer-assisted personal interviews and used combined ELSA waves from 2004 to 2008, when collection of genetic data began.
• Using genome-wide association studies from the U.K. Biobank, the authors constructed polygenic scores (PGSs) to predict an individual’s genetic risk over an average of 8 years for a disease or outcome, overall sleep duration, short sleep (≤ 5 hours nightly), long sleep (≥ 9 hours of sleep nightly), and depression.
• The analysis included two analytic samples; one involved 6,521 persons to determine the role of baseline sleep on depression (assessed using the Center for Epidemiologic Studies Depression Scale) at follow-up, and the other involved 6,070 persons to determine the role of baseline depression on suboptimal sleep at follow-up.

TAKEAWAY:

• After adjustments, including for age and sex, a 1–standard deviation increase in PGS for short sleep was associated with an increase of 14% in odds of developing depression during the follow-up period (odds ratio, 1.14; P = .008).
• There was no significant association of the PGS for sleep duration (P = .053) or long sleep (P = .544) with the onset of depression.
• There were no significant associations between PGS for depression and future overall sleep duration, short sleep, and long sleep by the end of the follow-up, suggesting that different mechanisms underlie the relationship between depression and subsequent onset of suboptimal sleep in older adults.
• Several sensitivity analyses – including additional adjustment for socioeconomic, environmental, and behavioral factors – upheld the findings of the main analysis, highlighting the robustness of the results.

IN PRACTICE:

The study showed that common genetic markers for short sleep play an important role in the incidence of depression in older adults, the authors note, adding that the new findings “support a growing view that short-sleep is more salient to the experience of depression than long sleep” across the lifespan.

SOURCE:

The study was led by Odessa S. Hamilton, department of behavioral science and health, University College London. It was published online  in Translational Psychiatry.

LIMITATIONS:

There are probably intraindividual differences in sleep duration that were not assessed in the study. The depression scale used may be indicative of subclinical depression and not major depressive disorder. The phenotypic sensitivity analyses did not account for comorbidities or medications that can affect sleep duration and depression.

DISCLOSURES:

ELSA is funded by the National Institute on Aging and by a consortium of U.K. government departments coordinated by the National Institute for Health and Care Research. The authors report no relevant conflicts of interests.

A version of this article first appeared on Medscape.com.

TOPLINE:

A genetic predisposition to sleep 5 or fewer hours per night is associated with a significantly higher risk for subsequent depression. However, a genetic propensity to depression is not associated with suboptimal sleep patterns later on, new research shows.

METHODOLOGY:

• The analysis included participants in the English Longitudinal Study of Ageing (ELSA), a prospective cohort study of a representative U.K. sample (mean age, 65 years) that is assessed biennially.
• Researchers collected data on sleep duration and depression through nursing home visits and computer-assisted personal interviews and used combined ELSA waves from 2004 to 2008, when collection of genetic data began.
• Using genome-wide association studies from the U.K. Biobank, the authors constructed polygenic scores (PGSs) to predict an individual’s genetic risk over an average of 8 years for a disease or outcome, overall sleep duration, short sleep (≤ 5 hours nightly), long sleep (≥ 9 hours of sleep nightly), and depression.
• The analysis included two analytic samples; one involved 6,521 persons to determine the role of baseline sleep on depression (assessed using the Center for Epidemiologic Studies Depression Scale) at follow-up, and the other involved 6,070 persons to determine the role of baseline depression on suboptimal sleep at follow-up.

TAKEAWAY:

• After adjustments, including for age and sex, a 1–standard deviation increase in PGS for short sleep was associated with an increase of 14% in odds of developing depression during the follow-up period (odds ratio, 1.14; P = .008).
• There was no significant association of the PGS for sleep duration (P = .053) or long sleep (P = .544) with the onset of depression.
• There were no significant associations between PGS for depression and future overall sleep duration, short sleep, and long sleep by the end of the follow-up, suggesting that different mechanisms underlie the relationship between depression and subsequent onset of suboptimal sleep in older adults.
• Several sensitivity analyses – including additional adjustment for socioeconomic, environmental, and behavioral factors – upheld the findings of the main analysis, highlighting the robustness of the results.

IN PRACTICE:

The study showed that common genetic markers for short sleep play an important role in the incidence of depression in older adults, the authors note, adding that the new findings “support a growing view that short-sleep is more salient to the experience of depression than long sleep” across the lifespan.

SOURCE:

The study was led by Odessa S. Hamilton, department of behavioral science and health, University College London. It was published online  in Translational Psychiatry.

LIMITATIONS:

There are probably intraindividual differences in sleep duration that were not assessed in the study. The depression scale used may be indicative of subclinical depression and not major depressive disorder. The phenotypic sensitivity analyses did not account for comorbidities or medications that can affect sleep duration and depression.

DISCLOSURES:

ELSA is funded by the National Institute on Aging and by a consortium of U.K. government departments coordinated by the National Institute for Health and Care Research. The authors report no relevant conflicts of interests.

A version of this article first appeared on Medscape.com.

“On which side of the bed did you get up this morning?” Obviously, your inquisitor assumes that to avoid clumsily crawling over your sleeping partner you always get up on the side with the table stacked with unread books.

You know as well as I do that you have just received a totally undisguised comment on your recent behavior that has been several shades less than cheery. You may have already sensed your own grumpiness. Do you have an explanation? Did the commute leave you with a case of unresolved road rage? Did you wake up feeling unrested? How often does that happen? Do you think you are getting enough sleep?

A few weeks ago I wrote a Letters From Maine column in which I shared a study suggesting that the regularity of an individual’s sleep pattern may, in many cases, be more important than his or her total number of hours slept. In that same column I wrote that sleep scientists don’t as yet have a good definition of sleep irregularity, nor can they give us any more than a broad range for the total number of hours a person needs to maintain wellness.

How do you determine whether you are getting enough sleep? Do you keep a chart of how many times you were asked which side of the bed you got up on in a week? Or is it how you feel in the morning? Is it when you instantly doze off any time you sit down in a quiet place?

Although many adults are clueless (or in denial) that they are sleep deprived, generally if you ask them and take a brief history they will tell you. On the other hand, determining when a child, particularly one who is preverbal, is sleep deprived is a bit more difficult. Asking the patient isn’t going to give you the answer. You must rely on parental observations. And, to some extent, this can be difficult because parents are, by definition, learning on the job. They may not realize the symptoms and behaviors they are seeing in their child are the result of sleep deficiency.

Over the last half century of observing children, I have developed a very low threshold for diagnosing sleep deprivation. Basically, any child who is cranky and not obviously sick is overtired until proven otherwise. For example, colic does not appear on my frequently used, or in fact ever used, list of diagnoses. Colicky is an adjective that I may use to describe some episodic pain or behavior, but colic as a working diagnosis? Never.

When presented with a child who has already been diagnosed with “colic” by its aunt or the lady next door, this is when the astute pediatrician must be at his or her best. If a thorough history, including sleep pattern, yields no obvious evidence of illness, the next step should be some sleep coaching. However, this is where the “until proven otherwise” thing becomes important, because not providing close follow-up and continuing to keep an open mind for the less likely coexisting conditions can be dangerous and certainly not in the patient’s best interest.

For the older child crankiness, temper tantrums, mood disorders and signs and symptoms often (some might say too often) associated with attention-deficit disorder should trigger an immediate investigation of sleep habits and appropriate advice. Less well-known conditions associated with sleep deprivation are migraine and nocturnal leg pains, often mislabeled as growing pains.

The physicians planning on using sleep as a therapeutic modality is going to quickly run into several challenges. First is convincing the parents, the patient, and the family that the condition is to a greater or lesser degree the result of sleep deprivation. Because sleep is still underappreciated as a component of wellness, this is often not an easy sell.

Second, everyone must accept that altering sleep patterns regardless of age is often not easy and will not be achieved in 1 night or 2. Keeping up the drumbeat of encouragement with close follow-up is critical. Parents must be continually reminded that sleep is being used as a medicine and the dose is not measured in hours. The improvement in symptoms will tell us when enough is enough.

Dr. Wilkoff practiced primary care pediatrics in Brunswick, Maine, for nearly 40 years. He has authored several books on behavioral pediatrics, including “How to Say No to Your Toddler.” Other than a Littman stethoscope he accepted as a first-year medical student in 1966, Dr. Wilkoff reports having nothing to disclose. Email him at pdnews@mdedge.com.

“On which side of the bed did you get up this morning?” Obviously, your inquisitor assumes that to avoid clumsily crawling over your sleeping partner you always get up on the side with the table stacked with unread books.

You know as well as I do that you have just received a totally undisguised comment on your recent behavior that has been several shades less than cheery. You may have already sensed your own grumpiness. Do you have an explanation? Did the commute leave you with a case of unresolved road rage? Did you wake up feeling unrested? How often does that happen? Do you think you are getting enough sleep?

A few weeks ago I wrote a Letters From Maine column in which I shared a study suggesting that the regularity of an individual’s sleep pattern may, in many cases, be more important than his or her total number of hours slept. In that same column I wrote that sleep scientists don’t as yet have a good definition of sleep irregularity, nor can they give us any more than a broad range for the total number of hours a person needs to maintain wellness.

How do you determine whether you are getting enough sleep? Do you keep a chart of how many times you were asked which side of the bed you got up on in a week? Or is it how you feel in the morning? Is it when you instantly doze off any time you sit down in a quiet place?

Although many adults are clueless (or in denial) that they are sleep deprived, generally if you ask them and take a brief history they will tell you. On the other hand, determining when a child, particularly one who is preverbal, is sleep deprived is a bit more difficult. Asking the patient isn’t going to give you the answer. You must rely on parental observations. And, to some extent, this can be difficult because parents are, by definition, learning on the job. They may not realize the symptoms and behaviors they are seeing in their child are the result of sleep deficiency.

Over the last half century of observing children, I have developed a very low threshold for diagnosing sleep deprivation. Basically, any child who is cranky and not obviously sick is overtired until proven otherwise. For example, colic does not appear on my frequently used, or in fact ever used, list of diagnoses. Colicky is an adjective that I may use to describe some episodic pain or behavior, but colic as a working diagnosis? Never.

When presented with a child who has already been diagnosed with “colic” by its aunt or the lady next door, this is when the astute pediatrician must be at his or her best. If a thorough history, including sleep pattern, yields no obvious evidence of illness, the next step should be some sleep coaching. However, this is where the “until proven otherwise” thing becomes important, because not providing close follow-up and continuing to keep an open mind for the less likely coexisting conditions can be dangerous and certainly not in the patient’s best interest.

For the older child crankiness, temper tantrums, mood disorders and signs and symptoms often (some might say too often) associated with attention-deficit disorder should trigger an immediate investigation of sleep habits and appropriate advice. Less well-known conditions associated with sleep deprivation are migraine and nocturnal leg pains, often mislabeled as growing pains.

The physicians planning on using sleep as a therapeutic modality is going to quickly run into several challenges. First is convincing the parents, the patient, and the family that the condition is to a greater or lesser degree the result of sleep deprivation. Because sleep is still underappreciated as a component of wellness, this is often not an easy sell.

Second, everyone must accept that altering sleep patterns regardless of age is often not easy and will not be achieved in 1 night or 2. Keeping up the drumbeat of encouragement with close follow-up is critical. Parents must be continually reminded that sleep is being used as a medicine and the dose is not measured in hours. The improvement in symptoms will tell us when enough is enough.

Dr. Wilkoff practiced primary care pediatrics in Brunswick, Maine, for nearly 40 years. He has authored several books on behavioral pediatrics, including “How to Say No to Your Toddler.” Other than a Littman stethoscope he accepted as a first-year medical student in 1966, Dr. Wilkoff reports having nothing to disclose. Email him at pdnews@mdedge.com.

“On which side of the bed did you get up this morning?” Obviously, your inquisitor assumes that to avoid clumsily crawling over your sleeping partner you always get up on the side with the table stacked with unread books.

You know as well as I do that you have just received a totally undisguised comment on your recent behavior that has been several shades less than cheery. You may have already sensed your own grumpiness. Do you have an explanation? Did the commute leave you with a case of unresolved road rage? Did you wake up feeling unrested? How often does that happen? Do you think you are getting enough sleep?

A few weeks ago I wrote a Letters From Maine column in which I shared a study suggesting that the regularity of an individual’s sleep pattern may, in many cases, be more important than his or her total number of hours slept. In that same column I wrote that sleep scientists don’t as yet have a good definition of sleep irregularity, nor can they give us any more than a broad range for the total number of hours a person needs to maintain wellness.

How do you determine whether you are getting enough sleep? Do you keep a chart of how many times you were asked which side of the bed you got up on in a week? Or is it how you feel in the morning? Is it when you instantly doze off any time you sit down in a quiet place?

Although many adults are clueless (or in denial) that they are sleep deprived, generally if you ask them and take a brief history they will tell you. On the other hand, determining when a child, particularly one who is preverbal, is sleep deprived is a bit more difficult. Asking the patient isn’t going to give you the answer. You must rely on parental observations. And, to some extent, this can be difficult because parents are, by definition, learning on the job. They may not realize the symptoms and behaviors they are seeing in their child are the result of sleep deficiency.

Over the last half century of observing children, I have developed a very low threshold for diagnosing sleep deprivation. Basically, any child who is cranky and not obviously sick is overtired until proven otherwise. For example, colic does not appear on my frequently used, or in fact ever used, list of diagnoses. Colicky is an adjective that I may use to describe some episodic pain or behavior, but colic as a working diagnosis? Never.

When presented with a child who has already been diagnosed with “colic” by its aunt or the lady next door, this is when the astute pediatrician must be at his or her best. If a thorough history, including sleep pattern, yields no obvious evidence of illness, the next step should be some sleep coaching. However, this is where the “until proven otherwise” thing becomes important, because not providing close follow-up and continuing to keep an open mind for the less likely coexisting conditions can be dangerous and certainly not in the patient’s best interest.

For the older child crankiness, temper tantrums, mood disorders and signs and symptoms often (some might say too often) associated with attention-deficit disorder should trigger an immediate investigation of sleep habits and appropriate advice. Less well-known conditions associated with sleep deprivation are migraine and nocturnal leg pains, often mislabeled as growing pains.

The physicians planning on using sleep as a therapeutic modality is going to quickly run into several challenges. First is convincing the parents, the patient, and the family that the condition is to a greater or lesser degree the result of sleep deprivation. Because sleep is still underappreciated as a component of wellness, this is often not an easy sell.

Second, everyone must accept that altering sleep patterns regardless of age is often not easy and will not be achieved in 1 night or 2. Keeping up the drumbeat of encouragement with close follow-up is critical. Parents must be continually reminded that sleep is being used as a medicine and the dose is not measured in hours. The improvement in symptoms will tell us when enough is enough.

Dr. Wilkoff practiced primary care pediatrics in Brunswick, Maine, for nearly 40 years. He has authored several books on behavioral pediatrics, including “How to Say No to Your Toddler.” Other than a Littman stethoscope he accepted as a first-year medical student in 1966, Dr. Wilkoff reports having nothing to disclose. Email him at pdnews@mdedge.com.

Children with obstructive sleep apnea syndrome showed significantly reduced nasal ventilation function, compared with healthy controls, based on data from more than 200 individuals.

Previous research has shown an increased risk of obstructive sleep apnea syndrome (OSAS) in patients with compromised nasal respiration, but the association between increased nasal resistance (NR) and OSAS in children is controversial and remains unclear, wrote Ying Pang, MD, of Children’s Hospital of Chongqing Medical University, China, and colleagues.

In a study published in the Ear, Nose & Throat Journal, the researchers enrolled 109 children aged 6-12 years with OSAS and 116 healthy control children, with the goal of examining the role of nasal ventilation function on OSAS. Participants underwent acoustic rhinometry (AR) following polysomnography, and measurements of the nasal minimal cross-sectional area (NMCA) were taken in 3 segments, as were nasal cavity volume (NCV) from 0 cm to 5 cm, nasopharyngeal volume (NPV) from 6 cm to 8 cm, and distance of the minimal cross-sectional area to the nostril (DCAN). The children also underwent NR testing in both nostrils while awake and lying in a supine position.

Overall, the NR of children with OSAS were significantly higher than that of controls (P < .05). For AR, children with OSAS had significantly lower measures of NMCA, NCV, and NPV, but DCAN values were between the groups. Both AR and NR measures were similar among children with mild, moderate, or severe OSAS.

A subset of 90 children with mild or moderate OSAS were treated with intranasal corticosteroids (ICS) and oral montelukast for 12 weeks. Of these, 69 completed the study and were divided into three groups: effectively cured (group A), successfully treated (group B), and treatment failure (group C). The researchers compared the size of the tonsil adenoids, the polysomnography, NR, and AR before and after treatment and found significant differences in NR, NMCA, and NCV for the A and B groups but no significant changes in DCAN following treatment.

For group A, treatment was associated with a significant reduction in adenoid size and increase in NPV, but these changes did not occur in group B.

The findings were limited by several factors, including the small sample size and measurement of NR when patients were awake and sitting upright, and larger studies are needed to confirm the results, the researchers noted.

However, the results suggest that NVF plays a role in the pathogenesis of OSAS in children and suggest a need to improve NVF in treating these patients they concluded.

This study was supported by the Medical Project of Chongqing Municipal Science and Health Bureau of China. The researchers had no financial conflicts to disclose.

Children with obstructive sleep apnea syndrome showed significantly reduced nasal ventilation function, compared with healthy controls, based on data from more than 200 individuals.

Previous research has shown an increased risk of obstructive sleep apnea syndrome (OSAS) in patients with compromised nasal respiration, but the association between increased nasal resistance (NR) and OSAS in children is controversial and remains unclear, wrote Ying Pang, MD, of Children’s Hospital of Chongqing Medical University, China, and colleagues.

In a study published in the Ear, Nose & Throat Journal, the researchers enrolled 109 children aged 6-12 years with OSAS and 116 healthy control children, with the goal of examining the role of nasal ventilation function on OSAS. Participants underwent acoustic rhinometry (AR) following polysomnography, and measurements of the nasal minimal cross-sectional area (NMCA) were taken in 3 segments, as were nasal cavity volume (NCV) from 0 cm to 5 cm, nasopharyngeal volume (NPV) from 6 cm to 8 cm, and distance of the minimal cross-sectional area to the nostril (DCAN). The children also underwent NR testing in both nostrils while awake and lying in a supine position.

Overall, the NR of children with OSAS were significantly higher than that of controls (P < .05). For AR, children with OSAS had significantly lower measures of NMCA, NCV, and NPV, but DCAN values were between the groups. Both AR and NR measures were similar among children with mild, moderate, or severe OSAS.

A subset of 90 children with mild or moderate OSAS were treated with intranasal corticosteroids (ICS) and oral montelukast for 12 weeks. Of these, 69 completed the study and were divided into three groups: effectively cured (group A), successfully treated (group B), and treatment failure (group C). The researchers compared the size of the tonsil adenoids, the polysomnography, NR, and AR before and after treatment and found significant differences in NR, NMCA, and NCV for the A and B groups but no significant changes in DCAN following treatment.

For group A, treatment was associated with a significant reduction in adenoid size and increase in NPV, but these changes did not occur in group B.

The findings were limited by several factors, including the small sample size and measurement of NR when patients were awake and sitting upright, and larger studies are needed to confirm the results, the researchers noted.

However, the results suggest that NVF plays a role in the pathogenesis of OSAS in children and suggest a need to improve NVF in treating these patients they concluded.

This study was supported by the Medical Project of Chongqing Municipal Science and Health Bureau of China. The researchers had no financial conflicts to disclose.

Children with obstructive sleep apnea syndrome showed significantly reduced nasal ventilation function, compared with healthy controls, based on data from more than 200 individuals.

Previous research has shown an increased risk of obstructive sleep apnea syndrome (OSAS) in patients with compromised nasal respiration, but the association between increased nasal resistance (NR) and OSAS in children is controversial and remains unclear, wrote Ying Pang, MD, of Children’s Hospital of Chongqing Medical University, China, and colleagues.

In a study published in the Ear, Nose & Throat Journal, the researchers enrolled 109 children aged 6-12 years with OSAS and 116 healthy control children, with the goal of examining the role of nasal ventilation function on OSAS. Participants underwent acoustic rhinometry (AR) following polysomnography, and measurements of the nasal minimal cross-sectional area (NMCA) were taken in 3 segments, as were nasal cavity volume (NCV) from 0 cm to 5 cm, nasopharyngeal volume (NPV) from 6 cm to 8 cm, and distance of the minimal cross-sectional area to the nostril (DCAN). The children also underwent NR testing in both nostrils while awake and lying in a supine position.

Overall, the NR of children with OSAS were significantly higher than that of controls (P < .05). For AR, children with OSAS had significantly lower measures of NMCA, NCV, and NPV, but DCAN values were between the groups. Both AR and NR measures were similar among children with mild, moderate, or severe OSAS.

A subset of 90 children with mild or moderate OSAS were treated with intranasal corticosteroids (ICS) and oral montelukast for 12 weeks. Of these, 69 completed the study and were divided into three groups: effectively cured (group A), successfully treated (group B), and treatment failure (group C). The researchers compared the size of the tonsil adenoids, the polysomnography, NR, and AR before and after treatment and found significant differences in NR, NMCA, and NCV for the A and B groups but no significant changes in DCAN following treatment.

For group A, treatment was associated with a significant reduction in adenoid size and increase in NPV, but these changes did not occur in group B.

The findings were limited by several factors, including the small sample size and measurement of NR when patients were awake and sitting upright, and larger studies are needed to confirm the results, the researchers noted.

However, the results suggest that NVF plays a role in the pathogenesis of OSAS in children and suggest a need to improve NVF in treating these patients they concluded.

This study was supported by the Medical Project of Chongqing Municipal Science and Health Bureau of China. The researchers had no financial conflicts to disclose.

Sleep Network

Non-Respiratory Sleep Section

Do you feel like you sleep worse in the spring and have more difficulty keeping your schedule on track? There are new data to support the way you feel based on our deeper understanding of seasonal variations in sleep architecture.

Patients in a recent study had 43 minutes less total sleep time and approximately 30 less minutes of REM sleep in the late spring when compared with the winter (Seidler A, et al. Front Neurosci. 2023 Feb 17:17:1105233). Accumulation of decreased sleep time and quality can lead to the sensation of ‘running-on-empty’ by early spring.

Experts believe these seasonal variations in sleep architecture are mainly secondary to circadian shifts. Our social synchronization overrides our natural alignment with daylight patterns and can lead to known consequences of circadian misalignment. Common consequences of poor circadian alignment include worsening sleep disturbances, cognitive impairments, occupational mistakes, and metabolic and mental health disturbances (Schmal C, et al. Front Physiol. 2020 Apr 28:11:334; Boivin D, et al. J Biol Rhythms. 2022 Feb;37[1]:3-28).

The effects of circadian misalignment can be particularly dramatic in children receiving less than their age-appropriate hours of sleep. Children with sleep deprivation are at increased risk of attention, behavior, and learning problems (Paruthi S, et al. J Clinl Sleep Med. 2016;12[6]:785-6).

To improve circadian alignment in spring, it is recommended to achieve morning bright light exposure and perform regular exercise. The elimination of daylight savings time to a consensus of permanent standard time will optimize circadian alignment.

Christopher Izzo, DO – Section Fellow-in-Training

William Healy, MD – Section Member-at-Large

Mariam Louis, MD – Section Chair

Sleep Network

Non-Respiratory Sleep Section

Do you feel like you sleep worse in the spring and have more difficulty keeping your schedule on track? There are new data to support the way you feel based on our deeper understanding of seasonal variations in sleep architecture.

Patients in a recent study had 43 minutes less total sleep time and approximately 30 less minutes of REM sleep in the late spring when compared with the winter (Seidler A, et al. Front Neurosci. 2023 Feb 17:17:1105233). Accumulation of decreased sleep time and quality can lead to the sensation of ‘running-on-empty’ by early spring.

Experts believe these seasonal variations in sleep architecture are mainly secondary to circadian shifts. Our social synchronization overrides our natural alignment with daylight patterns and can lead to known consequences of circadian misalignment. Common consequences of poor circadian alignment include worsening sleep disturbances, cognitive impairments, occupational mistakes, and metabolic and mental health disturbances (Schmal C, et al. Front Physiol. 2020 Apr 28:11:334; Boivin D, et al. J Biol Rhythms. 2022 Feb;37[1]:3-28).

The effects of circadian misalignment can be particularly dramatic in children receiving less than their age-appropriate hours of sleep. Children with sleep deprivation are at increased risk of attention, behavior, and learning problems (Paruthi S, et al. J Clinl Sleep Med. 2016;12[6]:785-6).

To improve circadian alignment in spring, it is recommended to achieve morning bright light exposure and perform regular exercise. The elimination of daylight savings time to a consensus of permanent standard time will optimize circadian alignment.

Christopher Izzo, DO – Section Fellow-in-Training

William Healy, MD – Section Member-at-Large

Mariam Louis, MD – Section Chair

Sleep Network

Non-Respiratory Sleep Section

Do you feel like you sleep worse in the spring and have more difficulty keeping your schedule on track? There are new data to support the way you feel based on our deeper understanding of seasonal variations in sleep architecture.

Patients in a recent study had 43 minutes less total sleep time and approximately 30 less minutes of REM sleep in the late spring when compared with the winter (Seidler A, et al. Front Neurosci. 2023 Feb 17:17:1105233). Accumulation of decreased sleep time and quality can lead to the sensation of ‘running-on-empty’ by early spring.

Experts believe these seasonal variations in sleep architecture are mainly secondary to circadian shifts. Our social synchronization overrides our natural alignment with daylight patterns and can lead to known consequences of circadian misalignment. Common consequences of poor circadian alignment include worsening sleep disturbances, cognitive impairments, occupational mistakes, and metabolic and mental health disturbances (Schmal C, et al. Front Physiol. 2020 Apr 28:11:334; Boivin D, et al. J Biol Rhythms. 2022 Feb;37[1]:3-28).

The effects of circadian misalignment can be particularly dramatic in children receiving less than their age-appropriate hours of sleep. Children with sleep deprivation are at increased risk of attention, behavior, and learning problems (Paruthi S, et al. J Clinl Sleep Med. 2016;12[6]:785-6).

To improve circadian alignment in spring, it is recommended to achieve morning bright light exposure and perform regular exercise. The elimination of daylight savings time to a consensus of permanent standard time will optimize circadian alignment.

Christopher Izzo, DO – Section Fellow-in-Training

William Healy, MD – Section Member-at-Large

Mariam Louis, MD – Section Chair

Residual excessive daytime sleepiness (REDS) is defined as the urge to sleep during the day despite an intention to remain alert after optimal treatment of obstructive sleep apnea (OSA). This is a distressing outcome with an estimated prevalence of 9% to 22% among patients with OSA (Pépin JL, et al. Eur Respir J. 2009;33[5]:1062). The pathophysiology of the condition is complex, and experimental studies conducted on animal models have demonstrated that chronic sleep fragmentation and chronic intermittent hypoxia can result in detrimental effects on wake-­promoting neurons. Additionally, there is evidence of heightened oxidative stress and alterations in melatonin secretion, with the severity and duration of the disease playing a significant role in the manifestation of these effects (Javaheri S, et al. Chest. 2020;158[2]:776). It is considered a diagnosis of exclusion, with the assessment being mostly subjective. Prior to diagnosing REDS, it is crucial to optimize positive airway pressure (PAP) therapy and nocturnal ventilation, ensure sufficient adherence to sleep hygiene practices, and exclude the presence of other sleep disorders. The Epworth Sleepiness Scale (ESS) score is widely utilized as a primary clinical tool in the assessment of sleepiness. To enhance the precision of this score, it is advantageous to take input from both family members and friends. Additional objective assessments that could be considered include the utilization of the Multiple Sleep Latency Test (MSLT) or the Maintenance of Wakefulness Test (MWT).

Due to the socioeconomic and public health considerations of REDS, pharmacological therapy is crucial to its management after exhausting conservative measures. Off-label use of traditional central nervous system stimulants, like amphetamine or methylphenidate, in these patients is almost extinct. The potential for abuse and negative consequences outweighs the potential benefits. FDA-approved medications for treatment of REDS in OSA include modafinil, armodafinil, and solriamfetol in the United States.

Historically, modafinil and armodafinil are the first-line and most commonly used wake-promoting agents. Both agents bind to the dopamine transporter and inhibit dopamine reuptake. They have demonstrated efficacy in reducing EDS and improving wakefulness in patients with OSA treated with CPAP. A meta-analysis of 10 randomized, placebo-controlled trials of modafinil and armodafinil found that they were better than placebo by 2.2 points on the ESS score and 3 minutes on the MWT (Maintenance of Wakefulness Test) (Chapman JL, et al. Eur Respir J. 2016;47[5]:1420). Both drugs have common adverse effects of headache, nausea, nervousness, insomnia, dizziness, rhinitis, and diarrhea. Drug interaction with CYP3A4/5 substrates and oral contraceptives is a concern with these medications. In 2010, the European Medicines Agency restricted the use of modafinil only to patients with narcolepsy, considering its cardiovascular and neuropsychiatric risks (European Medicines Agency website; press release, July 22, 2010).

Solriamfetol is the newest medication being utilized for EDS in OSA and is approved in both the United States and Europe for this indication. It is a dopamine and norepinephrine reuptake inhibitor with a simultaneous effect on both transporters. It has been effective in improving wakefulness and reducing sleepiness in patients with residual OSA. In the landmark trial TONES 3, dose-dependent (37.5, 75, 150, and 300 mg/day) effects were observed, with improvements in ESS scores of –1.9 to –4.7 points and sleep latency in MWT by 4.5 to 12.8 minutes (Schweitzer PK, et al. Am J Respir Crit Care Med. 2019;199[11]:1421). The current recommended dosing for REDS in OSA is to start with the lowest dose of 37.5 mg/day and increase to the maximum dose of 150 mg/day by titrating up every 3 days if needed. A recent meta-analysis showed an indirect treatment comparison between efficacy and safety among the medications solriamfetol, modafinil, and armodafinil (Ronnebaum S, et al. J Clin Sleep Med. 2021;17[12]:2543). Six parallel-arm, placebo-controlled, randomized, controlled trials were looked at. The ESS score, MWT20 sleep latency, and CGI-C (Clinical Global Impression of Change) all got better in comparison to the placebo. Relative to the comparators and placebo at 12 weeks, solriamfetol at 150 mg and 300 mg had the highest degree of improvement in all the outcomes studied. Common adverse effects of solriamfetol include headache, nausea, decreased appetite, insomnia, dry mouth, anxiety, and minimal increase in blood pressure and heart rate. The adverse effects in terms of blood pressure and heart rate change have a dose-dependent relationship, and serial vitals monitoring is recommended for patients every 6 months to a year. This medication is contraindicated in patients receiving concomitant monoamine oxidase inhibitors (MAOIs) or within 14 days following discontinuation of an MAOI because of the risk of hypertensive reactions. Solriamfetol is renally excreted, so dose adjustment is needed in patients with moderate to severe renal impairment. It is not recommended for use in end-stage renal disease (eGFR <15 mL/min/1.73 m²) (SUNOSI. Full prescribing information. Axsome; revised 06/2023. https://www.sunosihcp.com/assets/files/sunosi.en.uspi.pdf. Accessed: Sept 24, 2023). Solriamfetol demonstrates a comparatively shorter half-life when compared with traditional pharmaceuticals like modafinil and armodafinil, implying the possibility of a decreased duration of its effects. The effect in question may exhibit interpersonal diversity in its impact on quality of life when applied in a therapeutic setting.

Pitolisant is another potential medication to treat REDS in patients with OSA. While only approved for treating EDS and cataplexy in adult US patients with narcolepsy, it is currently approved for REDS in OSA in Europe (Ozawade. European Medicines Agency. Last updated 12/05/2022. https://www.ema.europa.eu/en/medicines/human/EPAR/ozawade#product-information-­section. Accessed: Oct 2, 2023). It is a selective histamine H3 receptor antagonist and an inverse agonist of the presynaptic H3 receptor. The fact that this medication is not scheduled and has a negligible or nonexistent risk of abuse is one of its advantages. It is dosed once daily, and the most frequent adverse effects include headaches and insomnia. A prolonged QT interval was observed in a few patients; caution is needed with concomitant use of other medications with known similar effects. Dosage modification is recommended in patients with moderate hepatic impairment and moderate to severe renal impairment. Drug interactions are also observed with the concomitant use of CYP2D6 inhibitors and CYP3A4 inducers. Pitolisant may reduce the efficacy of hormonal contraception, including up to 21 days after its discontinuation (WAKIX. Full prescribing information. Harmony biosciences; revised 12/2022.https://wakixhcp.com/pdf/wakix-­tablets-pi.pdf. Accessed: Sept 24, 2023).
 

Dr. Mechineni is Sleep Attending Physician, Ascension Illinois, Alexian Brothers Medical Center, Chicago. Dr. Sahni is Assistant Professor of Clinical Medicine, Associate Program Director, Sleep Medicine Fellowship; Division of Pulmonary, Critical Care, Sleep and Allergy, Department of Medicine, University of Illinois at Chicago.

Residual excessive daytime sleepiness (REDS) is defined as the urge to sleep during the day despite an intention to remain alert after optimal treatment of obstructive sleep apnea (OSA). This is a distressing outcome with an estimated prevalence of 9% to 22% among patients with OSA (Pépin JL, et al. Eur Respir J. 2009;33[5]:1062). The pathophysiology of the condition is complex, and experimental studies conducted on animal models have demonstrated that chronic sleep fragmentation and chronic intermittent hypoxia can result in detrimental effects on wake-­promoting neurons. Additionally, there is evidence of heightened oxidative stress and alterations in melatonin secretion, with the severity and duration of the disease playing a significant role in the manifestation of these effects (Javaheri S, et al. Chest. 2020;158[2]:776). It is considered a diagnosis of exclusion, with the assessment being mostly subjective. Prior to diagnosing REDS, it is crucial to optimize positive airway pressure (PAP) therapy and nocturnal ventilation, ensure sufficient adherence to sleep hygiene practices, and exclude the presence of other sleep disorders. The Epworth Sleepiness Scale (ESS) score is widely utilized as a primary clinical tool in the assessment of sleepiness. To enhance the precision of this score, it is advantageous to take input from both family members and friends. Additional objective assessments that could be considered include the utilization of the Multiple Sleep Latency Test (MSLT) or the Maintenance of Wakefulness Test (MWT).

Due to the socioeconomic and public health considerations of REDS, pharmacological therapy is crucial to its management after exhausting conservative measures. Off-label use of traditional central nervous system stimulants, like amphetamine or methylphenidate, in these patients is almost extinct. The potential for abuse and negative consequences outweighs the potential benefits. FDA-approved medications for treatment of REDS in OSA include modafinil, armodafinil, and solriamfetol in the United States.

Historically, modafinil and armodafinil are the first-line and most commonly used wake-promoting agents. Both agents bind to the dopamine transporter and inhibit dopamine reuptake. They have demonstrated efficacy in reducing EDS and improving wakefulness in patients with OSA treated with CPAP. A meta-analysis of 10 randomized, placebo-controlled trials of modafinil and armodafinil found that they were better than placebo by 2.2 points on the ESS score and 3 minutes on the MWT (Maintenance of Wakefulness Test) (Chapman JL, et al. Eur Respir J. 2016;47[5]:1420). Both drugs have common adverse effects of headache, nausea, nervousness, insomnia, dizziness, rhinitis, and diarrhea. Drug interaction with CYP3A4/5 substrates and oral contraceptives is a concern with these medications. In 2010, the European Medicines Agency restricted the use of modafinil only to patients with narcolepsy, considering its cardiovascular and neuropsychiatric risks (European Medicines Agency website; press release, July 22, 2010).

Solriamfetol is the newest medication being utilized for EDS in OSA and is approved in both the United States and Europe for this indication. It is a dopamine and norepinephrine reuptake inhibitor with a simultaneous effect on both transporters. It has been effective in improving wakefulness and reducing sleepiness in patients with residual OSA. In the landmark trial TONES 3, dose-dependent (37.5, 75, 150, and 300 mg/day) effects were observed, with improvements in ESS scores of –1.9 to –4.7 points and sleep latency in MWT by 4.5 to 12.8 minutes (Schweitzer PK, et al. Am J Respir Crit Care Med. 2019;199[11]:1421). The current recommended dosing for REDS in OSA is to start with the lowest dose of 37.5 mg/day and increase to the maximum dose of 150 mg/day by titrating up every 3 days if needed. A recent meta-analysis showed an indirect treatment comparison between efficacy and safety among the medications solriamfetol, modafinil, and armodafinil (Ronnebaum S, et al. J Clin Sleep Med. 2021;17[12]:2543). Six parallel-arm, placebo-controlled, randomized, controlled trials were looked at. The ESS score, MWT20 sleep latency, and CGI-C (Clinical Global Impression of Change) all got better in comparison to the placebo. Relative to the comparators and placebo at 12 weeks, solriamfetol at 150 mg and 300 mg had the highest degree of improvement in all the outcomes studied. Common adverse effects of solriamfetol include headache, nausea, decreased appetite, insomnia, dry mouth, anxiety, and minimal increase in blood pressure and heart rate. The adverse effects in terms of blood pressure and heart rate change have a dose-dependent relationship, and serial vitals monitoring is recommended for patients every 6 months to a year. This medication is contraindicated in patients receiving concomitant monoamine oxidase inhibitors (MAOIs) or within 14 days following discontinuation of an MAOI because of the risk of hypertensive reactions. Solriamfetol is renally excreted, so dose adjustment is needed in patients with moderate to severe renal impairment. It is not recommended for use in end-stage renal disease (eGFR <15 mL/min/1.73 m²) (SUNOSI. Full prescribing information. Axsome; revised 06/2023. https://www.sunosihcp.com/assets/files/sunosi.en.uspi.pdf. Accessed: Sept 24, 2023). Solriamfetol demonstrates a comparatively shorter half-life when compared with traditional pharmaceuticals like modafinil and armodafinil, implying the possibility of a decreased duration of its effects. The effect in question may exhibit interpersonal diversity in its impact on quality of life when applied in a therapeutic setting.

Pitolisant is another potential medication to treat REDS in patients with OSA. While only approved for treating EDS and cataplexy in adult US patients with narcolepsy, it is currently approved for REDS in OSA in Europe (Ozawade. European Medicines Agency. Last updated 12/05/2022. https://www.ema.europa.eu/en/medicines/human/EPAR/ozawade#product-information-­section. Accessed: Oct 2, 2023). It is a selective histamine H3 receptor antagonist and an inverse agonist of the presynaptic H3 receptor. The fact that this medication is not scheduled and has a negligible or nonexistent risk of abuse is one of its advantages. It is dosed once daily, and the most frequent adverse effects include headaches and insomnia. A prolonged QT interval was observed in a few patients; caution is needed with concomitant use of other medications with known similar effects. Dosage modification is recommended in patients with moderate hepatic impairment and moderate to severe renal impairment. Drug interactions are also observed with the concomitant use of CYP2D6 inhibitors and CYP3A4 inducers. Pitolisant may reduce the efficacy of hormonal contraception, including up to 21 days after its discontinuation (WAKIX. Full prescribing information. Harmony biosciences; revised 12/2022.https://wakixhcp.com/pdf/wakix-­tablets-pi.pdf. Accessed: Sept 24, 2023).
 

Dr. Mechineni is Sleep Attending Physician, Ascension Illinois, Alexian Brothers Medical Center, Chicago. Dr. Sahni is Assistant Professor of Clinical Medicine, Associate Program Director, Sleep Medicine Fellowship; Division of Pulmonary, Critical Care, Sleep and Allergy, Department of Medicine, University of Illinois at Chicago.

Residual excessive daytime sleepiness (REDS) is defined as the urge to sleep during the day despite an intention to remain alert after optimal treatment of obstructive sleep apnea (OSA). This is a distressing outcome with an estimated prevalence of 9% to 22% among patients with OSA (Pépin JL, et al. Eur Respir J. 2009;33[5]:1062). The pathophysiology of the condition is complex, and experimental studies conducted on animal models have demonstrated that chronic sleep fragmentation and chronic intermittent hypoxia can result in detrimental effects on wake-­promoting neurons. Additionally, there is evidence of heightened oxidative stress and alterations in melatonin secretion, with the severity and duration of the disease playing a significant role in the manifestation of these effects (Javaheri S, et al. Chest. 2020;158[2]:776). It is considered a diagnosis of exclusion, with the assessment being mostly subjective. Prior to diagnosing REDS, it is crucial to optimize positive airway pressure (PAP) therapy and nocturnal ventilation, ensure sufficient adherence to sleep hygiene practices, and exclude the presence of other sleep disorders. The Epworth Sleepiness Scale (ESS) score is widely utilized as a primary clinical tool in the assessment of sleepiness. To enhance the precision of this score, it is advantageous to take input from both family members and friends. Additional objective assessments that could be considered include the utilization of the Multiple Sleep Latency Test (MSLT) or the Maintenance of Wakefulness Test (MWT).

Due to the socioeconomic and public health considerations of REDS, pharmacological therapy is crucial to its management after exhausting conservative measures. Off-label use of traditional central nervous system stimulants, like amphetamine or methylphenidate, in these patients is almost extinct. The potential for abuse and negative consequences outweighs the potential benefits. FDA-approved medications for treatment of REDS in OSA include modafinil, armodafinil, and solriamfetol in the United States.

Historically, modafinil and armodafinil are the first-line and most commonly used wake-promoting agents. Both agents bind to the dopamine transporter and inhibit dopamine reuptake. They have demonstrated efficacy in reducing EDS and improving wakefulness in patients with OSA treated with CPAP. A meta-analysis of 10 randomized, placebo-controlled trials of modafinil and armodafinil found that they were better than placebo by 2.2 points on the ESS score and 3 minutes on the MWT (Maintenance of Wakefulness Test) (Chapman JL, et al. Eur Respir J. 2016;47[5]:1420). Both drugs have common adverse effects of headache, nausea, nervousness, insomnia, dizziness, rhinitis, and diarrhea. Drug interaction with CYP3A4/5 substrates and oral contraceptives is a concern with these medications. In 2010, the European Medicines Agency restricted the use of modafinil only to patients with narcolepsy, considering its cardiovascular and neuropsychiatric risks (European Medicines Agency website; press release, July 22, 2010).

Solriamfetol is the newest medication being utilized for EDS in OSA and is approved in both the United States and Europe for this indication. It is a dopamine and norepinephrine reuptake inhibitor with a simultaneous effect on both transporters. It has been effective in improving wakefulness and reducing sleepiness in patients with residual OSA. In the landmark trial TONES 3, dose-dependent (37.5, 75, 150, and 300 mg/day) effects were observed, with improvements in ESS scores of –1.9 to –4.7 points and sleep latency in MWT by 4.5 to 12.8 minutes (Schweitzer PK, et al. Am J Respir Crit Care Med. 2019;199[11]:1421). The current recommended dosing for REDS in OSA is to start with the lowest dose of 37.5 mg/day and increase to the maximum dose of 150 mg/day by titrating up every 3 days if needed. A recent meta-analysis showed an indirect treatment comparison between efficacy and safety among the medications solriamfetol, modafinil, and armodafinil (Ronnebaum S, et al. J Clin Sleep Med. 2021;17[12]:2543). Six parallel-arm, placebo-controlled, randomized, controlled trials were looked at. The ESS score, MWT20 sleep latency, and CGI-C (Clinical Global Impression of Change) all got better in comparison to the placebo. Relative to the comparators and placebo at 12 weeks, solriamfetol at 150 mg and 300 mg had the highest degree of improvement in all the outcomes studied. Common adverse effects of solriamfetol include headache, nausea, decreased appetite, insomnia, dry mouth, anxiety, and minimal increase in blood pressure and heart rate. The adverse effects in terms of blood pressure and heart rate change have a dose-dependent relationship, and serial vitals monitoring is recommended for patients every 6 months to a year. This medication is contraindicated in patients receiving concomitant monoamine oxidase inhibitors (MAOIs) or within 14 days following discontinuation of an MAOI because of the risk of hypertensive reactions. Solriamfetol is renally excreted, so dose adjustment is needed in patients with moderate to severe renal impairment. It is not recommended for use in end-stage renal disease (eGFR <15 mL/min/1.73 m²) (SUNOSI. Full prescribing information. Axsome; revised 06/2023. https://www.sunosihcp.com/assets/files/sunosi.en.uspi.pdf. Accessed: Sept 24, 2023). Solriamfetol demonstrates a comparatively shorter half-life when compared with traditional pharmaceuticals like modafinil and armodafinil, implying the possibility of a decreased duration of its effects. The effect in question may exhibit interpersonal diversity in its impact on quality of life when applied in a therapeutic setting.

Pitolisant is another potential medication to treat REDS in patients with OSA. While only approved for treating EDS and cataplexy in adult US patients with narcolepsy, it is currently approved for REDS in OSA in Europe (Ozawade. European Medicines Agency. Last updated 12/05/2022. https://www.ema.europa.eu/en/medicines/human/EPAR/ozawade#product-information-­section. Accessed: Oct 2, 2023). It is a selective histamine H3 receptor antagonist and an inverse agonist of the presynaptic H3 receptor. The fact that this medication is not scheduled and has a negligible or nonexistent risk of abuse is one of its advantages. It is dosed once daily, and the most frequent adverse effects include headaches and insomnia. A prolonged QT interval was observed in a few patients; caution is needed with concomitant use of other medications with known similar effects. Dosage modification is recommended in patients with moderate hepatic impairment and moderate to severe renal impairment. Drug interactions are also observed with the concomitant use of CYP2D6 inhibitors and CYP3A4 inducers. Pitolisant may reduce the efficacy of hormonal contraception, including up to 21 days after its discontinuation (WAKIX. Full prescribing information. Harmony biosciences; revised 12/2022.https://wakixhcp.com/pdf/wakix-­tablets-pi.pdf. Accessed: Sept 24, 2023).
 

Dr. Mechineni is Sleep Attending Physician, Ascension Illinois, Alexian Brothers Medical Center, Chicago. Dr. Sahni is Assistant Professor of Clinical Medicine, Associate Program Director, Sleep Medicine Fellowship; Division of Pulmonary, Critical Care, Sleep and Allergy, Department of Medicine, University of Illinois at Chicago.

TOPLINE:

Challenging conventional wisdom, new research suggests that hitting the snooze button does not lead to cognitive impairment on waking and may actually provide cognitive benefits.

METHODOLOGY:

• Researchers did two studies to determine why intermittent morning alarms are used and how they affect sleep, cognition, cortisol, and mood.
• Study 1 was a survey of 1,732 healthy adults (mean age 34 years; 66% women) designed to elucidate the characteristics of people who snooze and why they choose to delay their waking in this way.
• Study 2 was a within-subject polysomnography study of 31 healthy habitual snoozers (mean age 27 years; 18 women) designed to explore the acute effects of snoozing on sleep architecture, sleepiness, cognitive ability, mood, and cortisol awakening response.

TAKEAWAY:

• Overall, 69% reported using the snooze button or setting multiple alarms at least sometimes, most often on workdays (71%), with an average snooze time per morning of 22 minutes.
• Sleep quality did not differ between snoozers and nonsnoozers, but snoozers were more likely to feel mentally drowsy on waking (odds ratio, 3.0; P < .001) and had slightly shorter sleep time on workdays (13 minutes).
• In the polysomnography study, compared with waking up abruptly, 30 minutes of snoozing in the morning improved or did not affect performance on standard cognitive tests completed directly on final awakening.
• Snoozing resulted in about 6 minutes of lost sleep, but it prevented awakening from slow-wave sleep and had no clear effects on the cortisol awakening response, morning sleepiness, mood, or overnight sleep architecture.

IN PRACTICE:

“The findings indicate that there is no reason to stop snoozing in the morning if you enjoy it, at least not for snooze times around 30 minutes. In fact, it may even help those with morning drowsiness to be slightly more awake once they get up,” corresponding author Tina Sundelin, PhD, of Stockholm University, said in a statement.

SOURCE:

The study was published online in the Journal of Sleep Research.

LIMITATIONS:

Study 1 focused on waking preferences in a convenience sample of adults. Study 2 included only habitual snoozers making it difficult to generalize the findings to people who don’t usually snooze. The study investigated only the effect of 30 minutes of snoozing on the studied parameters. It’s possible that shorter or longer snooze times have different cognitive effects.

DISCLOSURES:

Support for the study was provided by the Stress Research Institute, Stockholm University, and a grant from Vetenskapsrådet. The authors disclosed no relevant conflicts of interest.

A version of this article first appeared on Medscape.com.

TOPLINE:

Challenging conventional wisdom, new research suggests that hitting the snooze button does not lead to cognitive impairment on waking and may actually provide cognitive benefits.

METHODOLOGY:

• Researchers did two studies to determine why intermittent morning alarms are used and how they affect sleep, cognition, cortisol, and mood.
• Study 1 was a survey of 1,732 healthy adults (mean age 34 years; 66% women) designed to elucidate the characteristics of people who snooze and why they choose to delay their waking in this way.
• Study 2 was a within-subject polysomnography study of 31 healthy habitual snoozers (mean age 27 years; 18 women) designed to explore the acute effects of snoozing on sleep architecture, sleepiness, cognitive ability, mood, and cortisol awakening response.

TAKEAWAY:

• Overall, 69% reported using the snooze button or setting multiple alarms at least sometimes, most often on workdays (71%), with an average snooze time per morning of 22 minutes.
• Sleep quality did not differ between snoozers and nonsnoozers, but snoozers were more likely to feel mentally drowsy on waking (odds ratio, 3.0; P < .001) and had slightly shorter sleep time on workdays (13 minutes).
• In the polysomnography study, compared with waking up abruptly, 30 minutes of snoozing in the morning improved or did not affect performance on standard cognitive tests completed directly on final awakening.
• Snoozing resulted in about 6 minutes of lost sleep, but it prevented awakening from slow-wave sleep and had no clear effects on the cortisol awakening response, morning sleepiness, mood, or overnight sleep architecture.

IN PRACTICE:

“The findings indicate that there is no reason to stop snoozing in the morning if you enjoy it, at least not for snooze times around 30 minutes. In fact, it may even help those with morning drowsiness to be slightly more awake once they get up,” corresponding author Tina Sundelin, PhD, of Stockholm University, said in a statement.

SOURCE:

The study was published online in the Journal of Sleep Research.

LIMITATIONS:

Study 1 focused on waking preferences in a convenience sample of adults. Study 2 included only habitual snoozers making it difficult to generalize the findings to people who don’t usually snooze. The study investigated only the effect of 30 minutes of snoozing on the studied parameters. It’s possible that shorter or longer snooze times have different cognitive effects.

DISCLOSURES:

Support for the study was provided by the Stress Research Institute, Stockholm University, and a grant from Vetenskapsrådet. The authors disclosed no relevant conflicts of interest.

A version of this article first appeared on Medscape.com.

TOPLINE:

Challenging conventional wisdom, new research suggests that hitting the snooze button does not lead to cognitive impairment on waking and may actually provide cognitive benefits.

METHODOLOGY:

• Researchers did two studies to determine why intermittent morning alarms are used and how they affect sleep, cognition, cortisol, and mood.
• Study 1 was a survey of 1,732 healthy adults (mean age 34 years; 66% women) designed to elucidate the characteristics of people who snooze and why they choose to delay their waking in this way.
• Study 2 was a within-subject polysomnography study of 31 healthy habitual snoozers (mean age 27 years; 18 women) designed to explore the acute effects of snoozing on sleep architecture, sleepiness, cognitive ability, mood, and cortisol awakening response.

TAKEAWAY:

• Overall, 69% reported using the snooze button or setting multiple alarms at least sometimes, most often on workdays (71%), with an average snooze time per morning of 22 minutes.
• Sleep quality did not differ between snoozers and nonsnoozers, but snoozers were more likely to feel mentally drowsy on waking (odds ratio, 3.0; P < .001) and had slightly shorter sleep time on workdays (13 minutes).
• In the polysomnography study, compared with waking up abruptly, 30 minutes of snoozing in the morning improved or did not affect performance on standard cognitive tests completed directly on final awakening.
• Snoozing resulted in about 6 minutes of lost sleep, but it prevented awakening from slow-wave sleep and had no clear effects on the cortisol awakening response, morning sleepiness, mood, or overnight sleep architecture.

IN PRACTICE:

“The findings indicate that there is no reason to stop snoozing in the morning if you enjoy it, at least not for snooze times around 30 minutes. In fact, it may even help those with morning drowsiness to be slightly more awake once they get up,” corresponding author Tina Sundelin, PhD, of Stockholm University, said in a statement.

SOURCE:

The study was published online in the Journal of Sleep Research.

LIMITATIONS:

Study 1 focused on waking preferences in a convenience sample of adults. Study 2 included only habitual snoozers making it difficult to generalize the findings to people who don’t usually snooze. The study investigated only the effect of 30 minutes of snoozing on the studied parameters. It’s possible that shorter or longer snooze times have different cognitive effects.

DISCLOSURES:

Support for the study was provided by the Stress Research Institute, Stockholm University, and a grant from Vetenskapsrådet. The authors disclosed no relevant conflicts of interest.

A version of this article first appeared on Medscape.com.

TOPLINE:

Solriamfetol – a medication approved for excessive daytime sleepiness caused by narcolepsy or obstructive sleep apnea – significantly improved symptoms of attention-deficit/hyperactivity disorder (ADHD) and clinical impression of ADHD severity in a pilot study of adults with ADHD.

METHODOLOGY:

• Solriamfetol is a dopamine and norepinephrine reuptake inhibitor that shares some of the properties of current ADHD medications.
• Researchers conducted a randomized, double-blind, placebo-controlled, dose-optimization trial of 75- or 150-mg solriamfetol in 60 adults with ADHD. For nearly all of the individuals who received solriamfetol, doses increased to 150 mg after the first week.
• The primary outcome was change in scores on the Adult ADHD Investigator Symptom Rating Scale (AISRS).
• Secondary outcomes included scores on the Clinical Global Impressions (CGI) scale and standard measures of executive function, behavior, and sleep.

TAKEAWAY:

• By week 6, total AISRS score improved 25% for 52% of individuals to took solriamfetol, vs. 17% of those who received placebo. Total AISRS score improved 50% by week 6 in 28% of those who took solriamfetol, vs. 3.4% of those who received placebo.
• By week 6, CGI ratings of “much improved” or “very much improved” occurred in significantly more individuals who received solriamfetol than those who took placebo (45% vs. 7%).
• Significantly more individuals who received solriamfetol than placebo self-reported improvements in executive function (69% vs. 34%). Improvement in wakefulness was noted with solriamfetol, but that did not moderate the change in ADHD symptom burden.
• Solriamfetol was well tolerated, with no significant effect on sleep quality or blood pressure. Adverse effects that occurred at a higher rate in the treatment group than in the placebo group were typical for solriamfetol and sympathomimetic agents used for ADHD.

IN PRACTICE:

Massachusetts General Hospital

“Solriamfetol may be a safe and effective treatment for ADHD in adults. Larger studies replicating these findings could confirm the strong evidence of benefit and the tolerability of this agent as a treatment,” lead author Craig B.H. Surman, MD, director of the clinical and research program in adult ADHD, Massachusetts General Hospital, Boston, said in a statement.

SOURCE:

The study was published online in The Journal of Clinical Psychiatry.

LIMITATIONS:

Limitations include the small sample size and short 6-week duration. More women than men received solriamfetol; it’s unclear how this could have affected the results.

DISCLOSURES:

The study was an investigator-initiated trial supported by Jazz Pharmaceuticals and Axsome Therapeutics. Dr. Surman has received consultant fees, research support, and royalties from multiple companies.

A version of this article first appeared on Medscape.com.

TOPLINE:

Solriamfetol – a medication approved for excessive daytime sleepiness caused by narcolepsy or obstructive sleep apnea – significantly improved symptoms of attention-deficit/hyperactivity disorder (ADHD) and clinical impression of ADHD severity in a pilot study of adults with ADHD.

METHODOLOGY:

• Solriamfetol is a dopamine and norepinephrine reuptake inhibitor that shares some of the properties of current ADHD medications.
• Researchers conducted a randomized, double-blind, placebo-controlled, dose-optimization trial of 75- or 150-mg solriamfetol in 60 adults with ADHD. For nearly all of the individuals who received solriamfetol, doses increased to 150 mg after the first week.
• The primary outcome was change in scores on the Adult ADHD Investigator Symptom Rating Scale (AISRS).
• Secondary outcomes included scores on the Clinical Global Impressions (CGI) scale and standard measures of executive function, behavior, and sleep.

TAKEAWAY:

• By week 6, total AISRS score improved 25% for 52% of individuals to took solriamfetol, vs. 17% of those who received placebo. Total AISRS score improved 50% by week 6 in 28% of those who took solriamfetol, vs. 3.4% of those who received placebo.
• By week 6, CGI ratings of “much improved” or “very much improved” occurred in significantly more individuals who received solriamfetol than those who took placebo (45% vs. 7%).
• Significantly more individuals who received solriamfetol than placebo self-reported improvements in executive function (69% vs. 34%). Improvement in wakefulness was noted with solriamfetol, but that did not moderate the change in ADHD symptom burden.
• Solriamfetol was well tolerated, with no significant effect on sleep quality or blood pressure. Adverse effects that occurred at a higher rate in the treatment group than in the placebo group were typical for solriamfetol and sympathomimetic agents used for ADHD.

IN PRACTICE:

Massachusetts General Hospital

“Solriamfetol may be a safe and effective treatment for ADHD in adults. Larger studies replicating these findings could confirm the strong evidence of benefit and the tolerability of this agent as a treatment,” lead author Craig B.H. Surman, MD, director of the clinical and research program in adult ADHD, Massachusetts General Hospital, Boston, said in a statement.

SOURCE:

The study was published online in The Journal of Clinical Psychiatry.

LIMITATIONS:

Limitations include the small sample size and short 6-week duration. More women than men received solriamfetol; it’s unclear how this could have affected the results.

DISCLOSURES:

The study was an investigator-initiated trial supported by Jazz Pharmaceuticals and Axsome Therapeutics. Dr. Surman has received consultant fees, research support, and royalties from multiple companies.

A version of this article first appeared on Medscape.com.

TOPLINE:

Solriamfetol – a medication approved for excessive daytime sleepiness caused by narcolepsy or obstructive sleep apnea – significantly improved symptoms of attention-deficit/hyperactivity disorder (ADHD) and clinical impression of ADHD severity in a pilot study of adults with ADHD.

METHODOLOGY:

• Solriamfetol is a dopamine and norepinephrine reuptake inhibitor that shares some of the properties of current ADHD medications.
• Researchers conducted a randomized, double-blind, placebo-controlled, dose-optimization trial of 75- or 150-mg solriamfetol in 60 adults with ADHD. For nearly all of the individuals who received solriamfetol, doses increased to 150 mg after the first week.
• The primary outcome was change in scores on the Adult ADHD Investigator Symptom Rating Scale (AISRS).
• Secondary outcomes included scores on the Clinical Global Impressions (CGI) scale and standard measures of executive function, behavior, and sleep.

TAKEAWAY:

• By week 6, total AISRS score improved 25% for 52% of individuals to took solriamfetol, vs. 17% of those who received placebo. Total AISRS score improved 50% by week 6 in 28% of those who took solriamfetol, vs. 3.4% of those who received placebo.
• By week 6, CGI ratings of “much improved” or “very much improved” occurred in significantly more individuals who received solriamfetol than those who took placebo (45% vs. 7%).
• Significantly more individuals who received solriamfetol than placebo self-reported improvements in executive function (69% vs. 34%). Improvement in wakefulness was noted with solriamfetol, but that did not moderate the change in ADHD symptom burden.
• Solriamfetol was well tolerated, with no significant effect on sleep quality or blood pressure. Adverse effects that occurred at a higher rate in the treatment group than in the placebo group were typical for solriamfetol and sympathomimetic agents used for ADHD.

IN PRACTICE:

Massachusetts General Hospital

“Solriamfetol may be a safe and effective treatment for ADHD in adults. Larger studies replicating these findings could confirm the strong evidence of benefit and the tolerability of this agent as a treatment,” lead author Craig B.H. Surman, MD, director of the clinical and research program in adult ADHD, Massachusetts General Hospital, Boston, said in a statement.

SOURCE:

The study was published online in The Journal of Clinical Psychiatry.

LIMITATIONS:

Limitations include the small sample size and short 6-week duration. More women than men received solriamfetol; it’s unclear how this could have affected the results.

DISCLOSURES:

The study was an investigator-initiated trial supported by Jazz Pharmaceuticals and Axsome Therapeutics. Dr. Surman has received consultant fees, research support, and royalties from multiple companies.

A version of this article first appeared on Medscape.com.

Lack of time for self-care and rest are particularly harmful to women’s health. Various speakers at the VII National Conference of the Onda Foundation, Italy’s National Observatory for Women and Gender’s Health, focused on this topic. The conference was dedicated to the social factors that determine health within the context of gender medicine.

In our society, housework and raising a family are responsibilities placed predominantly on the shoulders of women. These responsibilities contribute significantly to women’s daily workload. The most overburdened women are working mothers (according to ISTAT, Italy’s Office for National Statistics, 2019), who are forced to combine their professional responsibilities with family life, dedicating 8 hours and 20 minutes per day to paid and unpaid work overall, compared with the 7 hours and 29 minutes spent by working fathers. Working mothers between ages 25 and 44 years have on average 2 hours and 35 minutes of free time per day.
 

Stress and sleep deprivation

“Under these conditions, the risk of chronic stress is raised, and stress leads to depression. The rate of depression in the female population is double that of the male population,” said Claudio Mencacci, MD, chair of the Italian Society of Neuropsychopharmacology and the Onda Foundation. “What’s more, stress increases the risk of cardiovascular and metabolic diseases, asthma, arthritis, and autoimmune diseases.”

The one thing that is especially damaging to physical and mental health is sleep deprivation, and working mothers get less sleep than do working fathers. “This is partially due to biological factors: hormonal changes that take place toward the end of adolescence in women during the premenstrual period are responsible for an increased rate of sleep disturbance and insomnia,” said Dr. Mencacci. “During pregnancy and the postpartum period, female sex hormones make sleep lighter, reducing time spent in the REM sleep stage. Then there’s the social aspect that plays a decisive role: by and large, it’s mothers who take care of the youngest children at night.”

According to a 2019 German study, during the first 6 years of life of the first child, a mother loses on average 44 minutes sleep per night, compared with the average time spent sleeping before pregnancy; a father loses 14 minutes.

“Another aspect to bear in mind is that, for cultural reasons, women tend to overlook the issue and not seek help, deeming sleep deprivation normal,” said Dr. Mencacci.
 

Caregivers at greatest risk

The negative effects of stress are evident in people continuously caring for a dependent older or disabled family member, so-called caregivers. This is, “A group predominantly made up of women aged between 45 and 55 years,” said Marina Petrini, PhD, of the Italian Health Institute’s Gender Medicine Center of Excellence. Dr. Petrini coordinated a study on stress and health in family caregivers.

“The results obtained reveal a high level of stress, especially among female caregivers, who are more exposed to the risk of severe symptoms of depression, physical disorders, especially those affecting the nervous and immune systems, and who tend to adopt irregular eating patterns and sedentary habits,” said Dr. Petrini.
 

Limited treatment access

Another study presented at the Onda Foundation’s conference, which shows just how much a lack of “me time” can damage your health, is the Access to Diagnostic Medicine and Treatment by Region: the Patient’s Perspective Survey, conducted by market research agency Elma Research on a sample of cancer patients requiring specialist treatment.

“Forty percent of them had to move to a different region from the one they live in to get the care they needed,” said Massimo Massagrande, CEO of Elma Research. “Of that group, 40% had to move to an area not neighboring their own. The impact of area of residence is heavy, in terms of money and logistics – so much so that a large proportion of patients interviewed were forced to turn their back on the best available treatments. For women responding to our survey, the biggest obstacle is the impossibility of reconciling the effects of a move or the prospective of a temporary transfer to another region with their responsibilities for looking after their family.”

This article was translated from Univadis Italy. A version appeared on Medscape.com.

Lack of time for self-care and rest are particularly harmful to women’s health. Various speakers at the VII National Conference of the Onda Foundation, Italy’s National Observatory for Women and Gender’s Health, focused on this topic. The conference was dedicated to the social factors that determine health within the context of gender medicine.

In our society, housework and raising a family are responsibilities placed predominantly on the shoulders of women. These responsibilities contribute significantly to women’s daily workload. The most overburdened women are working mothers (according to ISTAT, Italy’s Office for National Statistics, 2019), who are forced to combine their professional responsibilities with family life, dedicating 8 hours and 20 minutes per day to paid and unpaid work overall, compared with the 7 hours and 29 minutes spent by working fathers. Working mothers between ages 25 and 44 years have on average 2 hours and 35 minutes of free time per day.
 

Stress and sleep deprivation

“Under these conditions, the risk of chronic stress is raised, and stress leads to depression. The rate of depression in the female population is double that of the male population,” said Claudio Mencacci, MD, chair of the Italian Society of Neuropsychopharmacology and the Onda Foundation. “What’s more, stress increases the risk of cardiovascular and metabolic diseases, asthma, arthritis, and autoimmune diseases.”

The one thing that is especially damaging to physical and mental health is sleep deprivation, and working mothers get less sleep than do working fathers. “This is partially due to biological factors: hormonal changes that take place toward the end of adolescence in women during the premenstrual period are responsible for an increased rate of sleep disturbance and insomnia,” said Dr. Mencacci. “During pregnancy and the postpartum period, female sex hormones make sleep lighter, reducing time spent in the REM sleep stage. Then there’s the social aspect that plays a decisive role: by and large, it’s mothers who take care of the youngest children at night.”

According to a 2019 German study, during the first 6 years of life of the first child, a mother loses on average 44 minutes sleep per night, compared with the average time spent sleeping before pregnancy; a father loses 14 minutes.

“Another aspect to bear in mind is that, for cultural reasons, women tend to overlook the issue and not seek help, deeming sleep deprivation normal,” said Dr. Mencacci.
 

Caregivers at greatest risk

The negative effects of stress are evident in people continuously caring for a dependent older or disabled family member, so-called caregivers. This is, “A group predominantly made up of women aged between 45 and 55 years,” said Marina Petrini, PhD, of the Italian Health Institute’s Gender Medicine Center of Excellence. Dr. Petrini coordinated a study on stress and health in family caregivers.

“The results obtained reveal a high level of stress, especially among female caregivers, who are more exposed to the risk of severe symptoms of depression, physical disorders, especially those affecting the nervous and immune systems, and who tend to adopt irregular eating patterns and sedentary habits,” said Dr. Petrini.
 

Limited treatment access

Another study presented at the Onda Foundation’s conference, which shows just how much a lack of “me time” can damage your health, is the Access to Diagnostic Medicine and Treatment by Region: the Patient’s Perspective Survey, conducted by market research agency Elma Research on a sample of cancer patients requiring specialist treatment.

“Forty percent of them had to move to a different region from the one they live in to get the care they needed,” said Massimo Massagrande, CEO of Elma Research. “Of that group, 40% had to move to an area not neighboring their own. The impact of area of residence is heavy, in terms of money and logistics – so much so that a large proportion of patients interviewed were forced to turn their back on the best available treatments. For women responding to our survey, the biggest obstacle is the impossibility of reconciling the effects of a move or the prospective of a temporary transfer to another region with their responsibilities for looking after their family.”

This article was translated from Univadis Italy. A version appeared on Medscape.com.

Lack of time for self-care and rest are particularly harmful to women’s health. Various speakers at the VII National Conference of the Onda Foundation, Italy’s National Observatory for Women and Gender’s Health, focused on this topic. The conference was dedicated to the social factors that determine health within the context of gender medicine.

In our society, housework and raising a family are responsibilities placed predominantly on the shoulders of women. These responsibilities contribute significantly to women’s daily workload. The most overburdened women are working mothers (according to ISTAT, Italy’s Office for National Statistics, 2019), who are forced to combine their professional responsibilities with family life, dedicating 8 hours and 20 minutes per day to paid and unpaid work overall, compared with the 7 hours and 29 minutes spent by working fathers. Working mothers between ages 25 and 44 years have on average 2 hours and 35 minutes of free time per day.
 

Stress and sleep deprivation

“Under these conditions, the risk of chronic stress is raised, and stress leads to depression. The rate of depression in the female population is double that of the male population,” said Claudio Mencacci, MD, chair of the Italian Society of Neuropsychopharmacology and the Onda Foundation. “What’s more, stress increases the risk of cardiovascular and metabolic diseases, asthma, arthritis, and autoimmune diseases.”

The one thing that is especially damaging to physical and mental health is sleep deprivation, and working mothers get less sleep than do working fathers. “This is partially due to biological factors: hormonal changes that take place toward the end of adolescence in women during the premenstrual period are responsible for an increased rate of sleep disturbance and insomnia,” said Dr. Mencacci. “During pregnancy and the postpartum period, female sex hormones make sleep lighter, reducing time spent in the REM sleep stage. Then there’s the social aspect that plays a decisive role: by and large, it’s mothers who take care of the youngest children at night.”

According to a 2019 German study, during the first 6 years of life of the first child, a mother loses on average 44 minutes sleep per night, compared with the average time spent sleeping before pregnancy; a father loses 14 minutes.

“Another aspect to bear in mind is that, for cultural reasons, women tend to overlook the issue and not seek help, deeming sleep deprivation normal,” said Dr. Mencacci.
 

Caregivers at greatest risk

The negative effects of stress are evident in people continuously caring for a dependent older or disabled family member, so-called caregivers. This is, “A group predominantly made up of women aged between 45 and 55 years,” said Marina Petrini, PhD, of the Italian Health Institute’s Gender Medicine Center of Excellence. Dr. Petrini coordinated a study on stress and health in family caregivers.

“The results obtained reveal a high level of stress, especially among female caregivers, who are more exposed to the risk of severe symptoms of depression, physical disorders, especially those affecting the nervous and immune systems, and who tend to adopt irregular eating patterns and sedentary habits,” said Dr. Petrini.
 

Limited treatment access

Another study presented at the Onda Foundation’s conference, which shows just how much a lack of “me time” can damage your health, is the Access to Diagnostic Medicine and Treatment by Region: the Patient’s Perspective Survey, conducted by market research agency Elma Research on a sample of cancer patients requiring specialist treatment.

“Forty percent of them had to move to a different region from the one they live in to get the care they needed,” said Massimo Massagrande, CEO of Elma Research. “Of that group, 40% had to move to an area not neighboring their own. The impact of area of residence is heavy, in terms of money and logistics – so much so that a large proportion of patients interviewed were forced to turn their back on the best available treatments. For women responding to our survey, the biggest obstacle is the impossibility of reconciling the effects of a move or the prospective of a temporary transfer to another region with their responsibilities for looking after their family.”

This article was translated from Univadis Italy. A version appeared on Medscape.com.

Sleep Medicine Network

Respiratory-Related Sleep Disorders Section

The overlap syndrome (OS), which refers to the co-occurrence of OSA and COPD, was first described by Flenley in 1985 (Flenley DC. Clin Chest Med. 1985;6[4]:651). Over the years, numerous studies have demonstrated an increased risk of hospitalization and mortality in patients with OS (Brennan M, et al. 2022;1-10). Despite these findings, limited evidence exists regarding the optimal treatment approach for individuals with OS.

CPAP therapy has demonstrated various physiologic advantages for patients with OS (Srivali N, et al. Sleep Med. 2023;108:55-60), which contribute to diminished dyspnea symptoms, lowered pro-inflammatory markers, improved arterial blood gases, increased 6-minute walk distance, enhanced FEV₁, and decreased mean pulmonary artery pressure (Suri TM, et al. FASEB BioAdv. 2021;3[9]:683-93). CPAP therapy in patients with OS has been linked to a reduction in COPD exacerbations (Voulgaris A, et al. Clin Respir Jour. 2023; 17[3]:165), fewer COPD-related hospitalizations (Marin JM, et al. Am J Respir Crit Care Med. 2010;182[3]:325-31), decreased cardiovascular events (Kendzerska T, et al. Ann ATS. 2019;16[1]:71), and an overall decline in mortality rates (Machado ML, et al. Eur Respir J. 2010;35[1]:132-7).

It is important to acknowledge that, as of now, no randomized clinical trial has specifically addressed the treatment of OS, leaving recommendations largely reliant on observational studies. Conversely, recent guidelines have proposed the utilization of high-intensity noninvasive ventilation (NIV) for hypercapnic patients with COPD. Thus, extensive research is warranted to characterize distinct sleep-related breathing disorders within the OS population and to investigate the effects of CPAP in comparison to other NIV modalities on patients with overlap syndrome.

Solmaz Ehteshami-Afshar, MD

Kirat Gill, MD, Section Member-at-Large

Sleep Medicine Network

Respiratory-Related Sleep Disorders Section

The overlap syndrome (OS), which refers to the co-occurrence of OSA and COPD, was first described by Flenley in 1985 (Flenley DC. Clin Chest Med. 1985;6[4]:651). Over the years, numerous studies have demonstrated an increased risk of hospitalization and mortality in patients with OS (Brennan M, et al. 2022;1-10). Despite these findings, limited evidence exists regarding the optimal treatment approach for individuals with OS.

CPAP therapy has demonstrated various physiologic advantages for patients with OS (Srivali N, et al. Sleep Med. 2023;108:55-60), which contribute to diminished dyspnea symptoms, lowered pro-inflammatory markers, improved arterial blood gases, increased 6-minute walk distance, enhanced FEV₁, and decreased mean pulmonary artery pressure (Suri TM, et al. FASEB BioAdv. 2021;3[9]:683-93). CPAP therapy in patients with OS has been linked to a reduction in COPD exacerbations (Voulgaris A, et al. Clin Respir Jour. 2023; 17[3]:165), fewer COPD-related hospitalizations (Marin JM, et al. Am J Respir Crit Care Med. 2010;182[3]:325-31), decreased cardiovascular events (Kendzerska T, et al. Ann ATS. 2019;16[1]:71), and an overall decline in mortality rates (Machado ML, et al. Eur Respir J. 2010;35[1]:132-7).

It is important to acknowledge that, as of now, no randomized clinical trial has specifically addressed the treatment of OS, leaving recommendations largely reliant on observational studies. Conversely, recent guidelines have proposed the utilization of high-intensity noninvasive ventilation (NIV) for hypercapnic patients with COPD. Thus, extensive research is warranted to characterize distinct sleep-related breathing disorders within the OS population and to investigate the effects of CPAP in comparison to other NIV modalities on patients with overlap syndrome.

Solmaz Ehteshami-Afshar, MD

Kirat Gill, MD, Section Member-at-Large

Sleep Medicine Network

Respiratory-Related Sleep Disorders Section

The overlap syndrome (OS), which refers to the co-occurrence of OSA and COPD, was first described by Flenley in 1985 (Flenley DC. Clin Chest Med. 1985;6[4]:651). Over the years, numerous studies have demonstrated an increased risk of hospitalization and mortality in patients with OS (Brennan M, et al. 2022;1-10). Despite these findings, limited evidence exists regarding the optimal treatment approach for individuals with OS.

CPAP therapy has demonstrated various physiologic advantages for patients with OS (Srivali N, et al. Sleep Med. 2023;108:55-60), which contribute to diminished dyspnea symptoms, lowered pro-inflammatory markers, improved arterial blood gases, increased 6-minute walk distance, enhanced FEV₁, and decreased mean pulmonary artery pressure (Suri TM, et al. FASEB BioAdv. 2021;3[9]:683-93). CPAP therapy in patients with OS has been linked to a reduction in COPD exacerbations (Voulgaris A, et al. Clin Respir Jour. 2023; 17[3]:165), fewer COPD-related hospitalizations (Marin JM, et al. Am J Respir Crit Care Med. 2010;182[3]:325-31), decreased cardiovascular events (Kendzerska T, et al. Ann ATS. 2019;16[1]:71), and an overall decline in mortality rates (Machado ML, et al. Eur Respir J. 2010;35[1]:132-7).

It is important to acknowledge that, as of now, no randomized clinical trial has specifically addressed the treatment of OS, leaving recommendations largely reliant on observational studies. Conversely, recent guidelines have proposed the utilization of high-intensity noninvasive ventilation (NIV) for hypercapnic patients with COPD. Thus, extensive research is warranted to characterize distinct sleep-related breathing disorders within the OS population and to investigate the effects of CPAP in comparison to other NIV modalities on patients with overlap syndrome.

Solmaz Ehteshami-Afshar, MD

Kirat Gill, MD, Section Member-at-Large