title: Normal and abnormal sleep in mammals.
mesh_terms: D000818:Animals; D002371:Cat Diseases / Q000503:physiopathology; D002415:Cats; D002417:Cattle; D004283:Dog Diseases / Q000503:physiopathology; D004285:Dogs; D004325:Dreams; D006736:Horses / Q000502:physiology; D006801:Humans; D009290:Narcolepsy / Q000503:physiopathology / Q000662:veterinary; D012890:Sleep / Q000502:physiology*; D012891:Sleep Apnea Syndromes / Q000503:physiopathology / Q000662:veterinary; D012893:Sleep Wake Disorders / Q000503:physiopathology / Q000662:veterinary*; D012895:Sleep, REM / Q000502:physiology