A broad category of sleep disorders characterized by either hypersomnolence or insomnia. The three major subcategories include intrinsic (i.e., arising from within the body) (SLEEP DISORDERS, INTRINSIC), extrinsic (secondary to environmental conditions or various pathologic conditions), and disturbances of circadian rhythm. (From Thorpy, Sleep Disorders Medicine, 1994, p187)
Also Known As:
Dyssomnia; Adjustment Sleep Disorder; Environmental Sleep Disorder; Inadequate Sleep Hygiene; Limit-Setting Sleep Disorder; Nocturnal Eating-Drinking Syndrome; Sleep Disorder, Adjustment; Sleep Disorder, Environmental; Sleep Disorder, Limit-Setting; Adjustment Sleep Disorders; Eating-Drinking Syndrome, Nocturnal; Eating-Drinking Syndromes, Nocturnal; Environmental Sleep Disorders; Extrinsic Sleep Disorder; Extrinsic Sleep Disorders; Limit Setting Sleep Disorder; Limit-Setting Sleep Disorders; Nocturnal Eating Drinking Syndrome; Nocturnal Eating-Drinking Syndromes; Sleep Disorder, Extrinsic; Sleep Disorder, Limit Setting; Sleep Disorders, Adjustment; Sleep Disorders, Environmental; Sleep Disorders, Limit-Setting; Sleep Hygiene, Inadequate; Syndrome, Nocturnal Eating-Drinking; Syndromes, Nocturnal Eating-Drinking; Sleep Disorders, Extrinsic