Delayed Sleep Phase Syndrome

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DSPS and Depression


Delayed sleep phase syndrome has been linked to psychiatric mood disorders, such as time- or event-specific depression (e.g., seasonal affective disorder; SAD). Like other complications of DSPS, depression may cause, as well as result from, the disorder. Some type of sleep disorder is present in approximately 90% of patients who suffer from depression In psychiatric patients, improvement in sleep may indicate that recovery is imminent.



Rapid eye movement (REM) ...Read the full article