A developmental study of sleep and wakefulness in the dog.
D000818:Animals; D001522:Behavior, Animal; D003243:Consciousness; D004285:Dogs / Q000502:physiology*; D004562:Electrocardiography; D004576:Electromyography; D012890:Sleep / Q000502:physiology*; D014851:Wakefulness / Q000502:physiology