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How Much Sleep is Just Right for Cognitive Function?

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There's no shortage of research around the benefits of sleep and its critical relationship to learning. So how much sleep is enough? Researchers have looked at the differences in cognitive function of people who have slept four or six or eight hours and how their brains function. This AsapSCIENCE video demonstrates what your capabilities are after those various amounts of sleep.

And if you're using the snooze button to reach what you think is a full night's rest, think again. AsapSCIENCE also looked at sleep cycles and the effect of snooze buttons.  Some may already know about "sleep debt," but in this video, you'll see how the snooze button contributes to "sleep inertia."