Circadian Rhythm Sleep Disorders

Circadian Rhythm Sleep Disorders2018-09-06T23:14:05+00:00

What is Delayed Sleep Phase Disorder?

Delayed sleep phase disorder (DSPD), officially called circadian rhythm sleep disorder, delayed sleep phase type, is an inability to fall asleep at a desired, conventional clock time and awaken at a socially acceptable morning time. When allowed to choose their preferred sleep schedule, patients exhibit sleep of normal quality and duration for their age and maintain a stable but delayed relationship of entrainment to the 24-hour, sleep-wake pattern.

Information provided by the National Sleep Foundation:

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