title: Sleep cycle characteristics in infants.
mesh_terms: D000367:Age Factors; D001921:Brain / Q000254:growth & development; D004569:Electroencephalography; D005133:Eye Movements; D006801:Humans; D007223:Infant / Q000502:physiology*; D007231:Infant, Newborn / Q000502:physiology*; D007234:Infant, Premature / Q000502:physiology; D012890:Sleep; D012895:Sleep, REM