A power nap is a short sleep which terminates prior the occurrence of deep sleep (slow-wave sleep (SWS)), intended to quickly revitalize the subject. Napping can have extaordinary benefits if used correctly. Learn how to use napping as a proper tool, on National Sleep Fooundation. Follow these simple rules to power nap the right way. You'll wake up more energized, creative, and productive than ever. Follow these simple rules to power nap the right way. You'll wake up more energized, creative, and productive than ever. 1. The act of getting what is essentially getting a nights sleep in a fraction of the time. 2. An afternoon nap to keep you up later that night. Napping doesn't mean you're lazy – it's good for your health and productivity. Check out these benefits of power naps and then get your midday zzzs.