title: Loss of sleep.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001288:Attention; D002648:Child; D004192:Discrimination, Psychological; D004569:Electroencephalography; D006801:Humans; D008297:Male; D008875:Middle Aged; D010259:Paranoid Disorders / Q000209:etiology; D011581:Psychological Tests; D011618:Psychotic Disorders / Q000209:etiology; D012559:Schizophrenia; D012890:Sleep; D012892:Sleep Deprivation; D007319:Sleep Initiation and Maintenance Disorders / Q000150:complications; D012894:Sleep Stages; D012895:Sleep, REM; D013997:Time Factors