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TED-Ed

How daylight saving time affects our bodies and minds

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For places that observe daylight saving time, gaining or losing an hour of sleep doesn’t just affect how well-rested people are. The effects of the semi-annual time change are far-reaching, 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 sleep health.

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