Sleep-wake schedule disorder

Other Names:
Inversion of sleep rhythm
Sleep phase disorder

The more common sleep phase disorder is delayed sleep phase, where sleep occurs later each day. In advanced sleep phase disorder, the tendency to sleep arrives earlier each day.


Researchers in the USA have shown that in the absence of an alarm clock people will sleep longer by up to two hours.

Related Problems:
Circadian dysrhythmia
Sleep deprivation
Related UN Sustainable Development Goals:
GOAL 3: Good Health and Well-beingGOAL 11: Sustainable Cities and Communities
Problem Type:
G: Very specific problems
Date of last update
04.10.2020 – 22:48 CEST