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A power nap, also known as a Stage 2 nap, is a short slumber of 20 minutes or less which terminates before the occurrence of deep slow-wave sleep, intended to quickly revitalize the napper. The expression "power nap" was coined by Cornell University social psychologist James Maas. [2] The 20-minute nap increases alertness and motor skills. [2]
For instance, some people follow a schedule that includes 20-minute naps every four hours for a total of two hours of daily sleep. Others sleep for 90 minutes three times a day, for a total of ...
Some research points to shorter, 15-20 minute naps. The right length may depend on your fatigue level and the unique way your brain shuts down for sleep, Garfield adds. Mednick thinks longer ...
The Basics: How Good Sleep Hygiene Supports Wellness. Not only does being well-rested make you feel more prepared to take on the day, but it also offers countless other benefits, including:
Naps are most often taken as a response to drowsiness during waking hours. A nap is a form of biphasic or polyphasic sleep, where the latter terms also include longer periods of sleep in addition to one period. For years, scientists have been investigating the benefits of napping, including the 30-minute nap as well as sleep durations of 1–2 ...
Professor David Dinges of the University of Pennsylvania School of Medicine led research in a laboratory setting on sleep schedules which combined various amounts of "anchor sleep", ranging from about four to eight hours in length, with no nap or daily naps of up to 2.5 hours. Longer naps were found to be better, with some cognitive functions ...
“Scheduling in 20-minute naps really rejuvenates your brain’s entire configuration, if you will, giving you mental stamina to prolong good quality work for the second part of the day ...
The optimal nap duration is around 10–20 minutes, as researchers have proven that it takes at least 30 minutes to enter slow-wave sleep, the deepest period of sleep. [45] Napping too long and entering the slow wave cycles can make it difficult to awake from the nap and leave one feeling unrested.