What's a Power Nap?

A power nap or cat nap is a short sleep that terminates before deep sleep. A power nap is intended to quickly revitalize the sleeper. Cornell University social psychologist James Maas coined the term. A power nap combined with consuming caffeine is called a stimulant nap, coffee nap, caffeine nap, or nappuccino.

How long is a power nap?

Sleep experts say that power naps should be quick and refreshing— typically between 20 and 30 minutes— in order to increase alertness throughout the day.

How do you take a power nap?