If you’re feeling tired, researchers believe the best way to get back to feeling alert is by taking a coffee nap, which is drinking a cup of coffee and then immediately taking a quick nap.
It might sound crazy: conventional wisdom is that caffeine interferes with sleep. But if you caffeinate immediately before napping and sleep for 20 minutes or less, you can exploit a quirk in the way both sleep and caffeine affect your brain to maximize alertness. Here’s the science behind the idea.
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