What is Delayed Sleep Phase Syndrome?

Delayed sleep phase syndrome is a circadian rhythm sleep disorder, a chronic disorder of the timing of sleep, peak period of alertness, the core body temperature rhythm, hormonal and other daily rhythms, compared to the normal population and relative to societal requirements.

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Who has Delayed Sleep Phase Syndrome at PatientsLikeMe?

<20 20-29 30-39 40-49 50-59 60-69 70+
Current Age
Distribution of females vs. males
Gender
69% Females
31% Males
Age at first symptom
Age at first symptom # of patients Proportion
0-19 yrs 30
20-29 yrs 9
30-39 yrs 6
40-49 yrs 4
50-59 yrs 0
60-69 yrs 0
70+ yrs 0
Diagnosis status
Diagnosis status # of patients Proportion
Diagnosed 39
Not Officially Diagnosed 16

These charts show data from Delayed Sleep Phase Syndrome patients who have completed their condition history