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

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

  1. If thats true i have to stop drinking massive amount of caffeine i ll try it cuz i feel often like i have no energy when i wake up

  2. “The best bridge between despair and hope is a good night’s sleep.”
    ― Matthew Walker, Why We Sleep

  3. I’m watching this after already drinking an an extra-strong coffee, and it’s 1:40 in the morning…

    does this mean I’ll stop drinking coffee to ensure I get my REM and nREM sleep organised after learning how long it stays in your system? …nope

  4. Me; listening to the effects of coffee & alcohol damaging sleep patterns.

    Me; while watching & listening, attempting to justify my habits of coffee & whisky because I love them so much.

    Me; solution, I will drink coffee & whisky in the mornings.

    Me; Good idea you f’n genius you!

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