RT Journal T1 NEw information about adolescent sleep JF Archives of Pediatrics & Adolescent Medicine JO Archives of Pediatrics & Adolescent Medicine YR 2010 FD July 1 VO 164 IS 7 SP 684 OP 684 DO 10.1001/archpediatrics.2010.136 UL http://dx.doi.org/10.1001/archpediatrics.2010.136 AB Sleep affects how you think, how you feel, and how healthy you are. Adolescents need as much sleep each night as they did when they were children, but many adolescents do not get enough sleep. An ideal amount of sleep for an adolescent is about 9 hours each night.