Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleNorms and Trends of Sleep Time Among US Children and Adolescents.AuthorsWilliams, Jessica A.; Zimmerman, Frederick J.; Bell, Janice F.PublicationJAMA Pediatrics, 2013, Vol 167, Issue 1, p55ISSN2168-6203Publication typeArticleDOI10.1001/jamapediatrics.2013.423