Delayed sleep phase disorder

From WikiMD


Definition: A pattern of falling asleep and waking up later than wanted that tends to worsen progressively over time.

Delayed sleep phase disorder (DSPD), more often known as delayed sleep phase syndrome and also as delayed sleep–wake phase disorder, is a chronic dysregulation of a person's circadian rhythm (biological clock), compared to those of the general population and societal norms.

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Link to this page: <a href="http://www.wikimd.org/wiki/Delayed_sleep_phase_disorder">Delayed sleep phase disorder</a>

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