title: Sleep ontogeny in the chimpanzee: from birth to two months.
mesh_terms: D000818:Animals; D000831:Animals, Newborn; D001921:Brain / Q000254:growth & development*; D004569:Electroencephalography; D004585:Electrooculography; D000882:Haplorhini; D002679:Pan troglodytes; D012890:Sleep; D012894:Sleep Stages; D012895:Sleep, REM; D013045:Species Specificity