We know coffee naps sound like an oxymoron, but there’s actually science that says combining the two can make you more alert in the long run. As this Vox video explains, caffeine takes about 20 minutes to get to work, so if you can spend that time napping, you'll wake up feeling pretty fantastic. Even if you're a slow-to-get-to-sleep skeptic, no qualms: Just a few minutes of rest will help you feel more attentive when the coffee kicks in. Which is our way of saying, we'll be right back.

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