title: Polygraphic characteristics of daytime sleep during social adaptation of normal children less than three years of age.
mesh_terms: D002656:Child Day Care Centers; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D012890:Sleep / Q000502:physiology*; D012894:Sleep Stages / Q000502:physiology; D012917:Social Adjustment