ICD-11 classes
06 Mental, behavioural or neurodevelopmental disorders
07 Sleep-wake disorders
Circadian rhythm sleep-wake disorders
7A61 — Advanced sleep-wake phase disorder
ICD-11 7A61 — Advanced sleep-wake phase disorder
Advanced sleep-wake phase disorder is a recurrent pattern of disturbance of the sleep-wake schedule characterised by persistent advance (to an earlier time) of the major sleep period compared to conventional or desired sleep times. The disorder results in evening sleepiness (prior to the desired bedtime) and awakening earlier than the desired or required times. When sleep is allowed to occur on the advanced schedule, it is essentially normal in quality and duration. The symptoms should have persisted for at least several months and result in significant distress or mental, physical, social, occupational or academic impairment.
The diagnosis includes nothing.
The diagnosis excludes nothing.
It has no clarifying diagnoses.
The diagnosis is coded elsewhere: