title: Sleep and its disorders.
mesh_terms: D000293:Adolescent; D000328:Adult; D002385:Cataplexy / Q000175:diagnosis; D002648:Child; D002675:Child, Preschool; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008297:Male; D001523:Mental Disorders / Q000503:physiopathology; D009207:Myoclonus / Q000175:diagnosis; D009290:Narcolepsy / Q000175:diagnosis / Q000188:drug therapy; D012148:Restless Legs Syndrome / Q000175:diagnosis; D012890:Sleep; D012891:Sleep Apnea Syndromes / Q000175:diagnosis; D007319:Sleep Initiation and Maintenance Disorders / Q000175:diagnosis / Q000628:therapy; D012893:Sleep Wake Disorders / Q000175:diagnosis* / Q000209:etiology