A community survey of characteristics of one- to two- year-olds with sleep disruptions.
D002668:Child Rearing; D002675:Child, Preschool; D003625:Data Collection; D005190:Family; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D012893:Sleep Wake Disorders / Q000523:psychology*; D013694:Temperament; D014851:Wakefulness