Delayed sleep-wake phase disorder.
AI Summary
This study examines delayed sleep-wake phase disorder (DSWPD), a circadian rhythm disorder commonly affecting adolescents and young adults. The researchers note that DSWPD occurs when there is a mismatch between when individuals want to sleep and when they naturally can sleep. Unlike insomnia patients, those with DSWPD can fall asleep easily but only at later times, resulting in delayed wake times. The disorder creates significant stress as individuals struggle to adapt to conventional school, work, and social schedules. The study suggests that proper identification has improved through sleep questionnaires, sleep diaries, and actigraphy monitoring. Treatment approaches mentioned include scheduled melatonin administration, structured sleep-wake timing, and bright light therapy - which directly relates to morning sunlight exposure protocols. The researchers indicate that early identification and intervention can lead to successful management of the condition, highlighting the importance of circadian rhythm regulation for overall health optimization.
Key Findings
- DSWPD commonly occurs in adolescents and young adults due to a shift between desired and actual sleep timing
- Unlike insomnia, patients with DSWPD can achieve sleep easily at later times but wake up later
- Treatment involves scheduled melatonin, structured sleep-wake times, and bright light therapy
- Early identification through sleep questionnaires, diaries, and actigraphy improves management outcomes
Abstract
One of seven circadian rhythm disorders, delayed sleep-wake phase disorder (DSWPD) commonly occurs in adolescents and young adults. The disorder is frequently confused with insomnia and can be a presenting complaint, as the individual is often stressed about being unable to fall asleep at the desired time. The underlying disruption occurs due to a shift between when the individual wants to sleep and when the individual can. Unlike patients with insomnia, patients with DSWPD can achieve sleep easily at later times, leading to later wake-up times. The inability to adapt to the societal norm in terms of the standard school, work, or social schedule leads to stressors, further complicating the disorder. Sleep questionnaires, sleep diaries, and actigraphy have improved identification of individuals with delayed sleep. Treatment of DSWPD involves the use of scheduled melatonin, scheduled sleep-wake times, and bright light therapy. If identified early, the disorder can be successfully managed.
Authors
Keith A Barnes