How caffeine and alcohol affect your sleep | Sleeping with Science, a TED series

Caffeine wakes you up, and alcohol makes you nod off, right? It's not that simple. Sleep scientist Matt Walker takes us into the eye-opening ways that these drinks affect the quantity and quality of our sleep.

Sleeping with Science, a TED series, uncovers the facts and secrets behind our nightly slumber. (Made possible with the support of Beautyrest)

Check out more: https://go.ted.com/sleepingwithscience and subscribe to the TED channel: https://www.youtube.com/TED

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