The regulation of heart rate during sleep.
D000818:Animals; D002415:Cats; D002540:Cerebral Cortex / Q000502:physiology*; D003714:Denervation; D004562:Electrocardiography; D004569:Electroencephalography; D004576:Electromyography; D005133:Eye Movements; D006321:Heart / Q000294:innervation; D006339:Heart Rate; D012890:Sleep; D013564:Sympathetic Nervous System / Q000502:physiology; D014630:Vagus Nerve / Q000502:physiology; D014851:Wakefulness