Why school should start later for teens

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May 18, 2017 Today's TED Talk Why school should start later for teens 10:33 minutes · TEDxManhattanBeach Teens don't get enough sleep, and it's not because of Snapchat, social lives or hormones -- it's because of public policy, says Wendy Troxel. Drawing from her experience as a sleep researcher, clinician and mother of a teenager, Troxel discusses how early school start times deprive adolescents of sleep during the time of their lives when they need it most. Watch now »   Playlist of the Day Weird facts about the human body The workings of the human body? An absolute marvel. And yet, kind of bizarre. The facts in these talks point to both conclusions. Watch » 13 talks · Total run time 3:13:53 NEW ON IDEAS.TED.COM Gallery: 12 glorious new reasons to celebrate cloudy days Can you tell your cavum from your cauda? Your homogenitus from your homomutatus? Those four cloud formations, along with eight others, have been added to the International Cloud Atlas, the official compendium of all things cloud. Cloud Appreciation Society founder Gavin Pretor-Pinney introduces us to the wild and wonderful world above us. Read more »   Download the TED app

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