How daylight saving time affects our bodies, minds and world, Sleeping with Science

For places that observe daylight saving time, gaining an hour of sleep every November or losing an hour every March doesnt just affect how wellrested (or caffeinated) people are. The effects of the semiannual time change are farreaching, drastically changing stroke and car accident rates, stock prices and more Sleep scientist Matt Walker shares the surprising consequences of DST, and what they can teach us about improving our own sleep health. Sleep we spend onethird of our lives doing it, but what exactly do we get out of it And how can we do it better In this TED series, sleep scientist Matt Walker uncovers the facts and secrets behind our nightly slumber. Check out more episodes on Visit to get our entire library of TED Talks, transcripts, translations, personalized talk recommendations and more. The TED Talks channel features the best talks and performances from the TED Conference, where the world s leading thinkers and doe