Behavioral phenomenology of sleep (somatic and vegetative).
D000818:Animals; D001519:Behavior / Q000502:physiology*; D001833:Body Temperature Regulation; D002415:Cats; D006706:Homeostasis; D009043:Motor Activity; D009132:Muscles; D011187:Posture; D012119:Respiration; D012890:Sleep / Q000502:physiology*; D012894:Sleep Stages / Q000502:physiology