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Psychiatry · Psychiatry / Sleep disorders

Delayed sleep phase syndrome

also: Delayed sleep–wake phase disorder
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Persistent delay of sleep timing relative to desired schedule.

Specialty
Psychiatry
Subspecialty
Psychiatry / Sleep disorders
Sex & age distribution
Male: affected; Female: affected; Children: yes, adolescents
Gene(s) involved
CLOCK, CRY1, PER3
Alternative names & eponyms
Delayed sleep–wake phase disorder

Etiology & mechanism

Circadian clock phase delay.

Gene(s) involved (3)

CLOCK CRY1 PER3

Symptoms & signs (4)

In plain terms, someone with Delayed sleep phase syndrome may experience the following — click any to explore related syndromes:

daytime sleepiness difficulty falling asleep until late difficulty waking school or work impairment

Same gene(s)

Other syndromes that involve one of this syndrome's genes.

Overlapping symptoms

Other syndromes that share symptoms with this one.

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Shares genes with

None.
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