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Power nap
Short sleep / From Wikipedia, the free encyclopedia
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A power nap or cat nap is a short sleep that terminates before deep sleep (slow-wave sleep; SWS). A power nap is intended to quickly revitalize the sleeper.
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Cornell University social psychologist James Maas coined the term.[1] A power nap combined with consuming caffeine is called a stimulant nap, coffee nap, caffeine nap, or nappuccino.[2]