Daytime sleep-wake cycle in the rat.
D000818:Animals; D004567:Electrodes, Implanted; D004569:Electroencephalography; D004576:Electromyography; D008297:Male; D009043:Motor Activity / Q000502:physiology; D051381:Rats / Q000502:physiology*; D012890:Sleep / Q000502:physiology*; D012895:Sleep, REM / Q000502:physiology; D013997:Time Factors; D014851:Wakefulness / Q000502:physiology