title: Temporal distribution and ontogenetic development of EEG activity during sleep.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002675:Child, Preschool; D004569:Electroencephalography; D006801:Humans; D008297:Male; D012890:Sleep / Q000502:physiology*; D012894:Sleep Stages; D012895:Sleep, REM; D013995:Time