title: Chimpanzee sleep stages.
mesh_terms: D000818:Animals; D002540:Cerebral Cortex / Q000502:physiology*; D004569:Electroencephalography; D004576:Electromyography; D004585:Electrooculography; D005260:Female; D000882:Haplorhini; D008297:Male; D002679:Pan troglodytes; D012894:Sleep Stages; D012895:Sleep, REM; D013686:Telemetry; D014851:Wakefulness