title: Disorders of the circadian sleep-wake cycle.
abstract: This article reviews several disorders of the circadian sleep-wake cycle, including delayed sleep phase syndrome, advanced sleep phase syndrome, non-24-hour sleep-wake syndrome, irregular sleep-wake pattern, time zone change (jet lag) syndrome, and shift work sleep disorder. For each disorder, the cause, diagnostic work-up, and management are outlined.
authors.affiliation: Department of Psychiatry, New York Hospital-Cornell Medical Center, Westchester Division, White Plains, USA.
authors.forename: D R
authors.initials: DR
authors.lastname: Wagner
mesh_terms: D000204:Activity Cycles / Q000502:physiology; D002940:Circadian Rhythm / Q000502:physiology; D006801:Humans; D012894:Sleep Stages / Q000502:physiology; D012893:Sleep Wake Disorders / Q000175:diagnosis / Q000503:physiopathology* / Q000628:therapy; D014195:Travel; D014940:Work Schedule Tolerance / Q000502:physiology