title: Sleep duration of young children is affected by nocturnal sleep onset time.
authors.affiliation: Department of Pediatrics, Faculty of Medicine, Tokyo Medical and Dental University, Japan. jkohyama.ped@tmd.ac.jp
authors.forename: J
authors.initials: J
authors.lastname: Kohyama
authors.forename: T
authors.initials: T
authors.lastname: Shiiki
authors.forename: T
authors.initials: T
authors.lastname: Hasegawa
mesh_terms: D002675:Child, Preschool; D003625:Data Collection; D005260:Female; D006801:Humans; D007223:Infant; D008019:Life Style; D008297:Male; D012307:Risk Factors; D012890:Sleep / Q000502:physiology*; D013997:Time Factors