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
A cup of coffee might provide you some pep, but it won't fully make up for lost sleep. nopponpat/iStock via Getty Images PlusThere 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...

