Prickly politics of school starting times / Kyla L. Wahlstrom -- When worlds collide : adolescent need for sleep versus societal demands / Mary A. Carskadon -- Consequences of insufficient sleep for adolescents : links between sleep and emotional regulation / Ronald E. Dahl -- Impact of school starting time on family life / Gordon D. Wrobel -- Starting time and school life : reflections from educators and students / Patricia K. Kubow, Kyla L. Wahlstrom, and Amy E. Bemis.