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Can coffee or a nap make up for sleep deprivation? A psychologist explains why there's no substitute for shut-eye

  • Written by Kimberly Fenn, Professor of Psychology, Michigan State University
Can coffee or a nap make up for sleep deprivation? A psychologist explains why there's no substitute for shut-eyeA cup of coffee might provide you some pep, but it won't fully make up for lost sleep. nopponpat/iStock via Getty Images Plus

There is no denying the importance of sleep. Everyone feels better after a good night of sleep, and lack of sleep can have profoundly negative effects on both the body and the brain. So what can be done to substitute for a...

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