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Settling in for a midday snooze has been given a bad rap. Getting caught napping is often code in the U.S. for being lazy. Yet many cultures build catnaps into their normal routines, and dozens of studies have shown that grabbing a few Zs in the daylight hours is healthy.
So what’s the best way to take a nap? One expert, David Dinges, the chief of the Division of Sleep and Chronobiology in Psychiatry at the University of Pennsylvania…