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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 hours. Performance across a wide range of cognitive processes has been tested.
A siesta (from Spanish, pronounced [ˈsjesta] and meaning "nap") is a short nap taken in the early afternoon, often after the midday meal. Such a period of sleep is a common tradition in some countries, particularly those in warm-weather zones. The "siesta" can refer to the nap itself, or more generally to a period of the day, generally between ...
“A short nap can be compared to an appetizer and a long nap can act like a full meal,” she explains. Because of this, you’ll want to avoid napping within the eight hours prior to your ...
Power nap. A woman having a nap in a napping pod, in the café Nappuccino in Barcelona, Catalonia (Spain) 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. A power nap combined with consuming caffeine is called a stimulant nap, coffee nap ...
How long should a nap be? This same study on siestas found that individuals who napped for more than 30 minutes were more likely to have a higher body weight, higher blood sugar levels and high ...
But beware — you don't want to nap too long. "You might experience sleep inertia, where waking up feels like dragging through molasses due to disrupted adenosine clearance," he continues.
The sleep cycle is an oscillation between the slow-wave and REM (paradoxical) phases of sleep. It is sometimes called the ultradian sleep cycle, sleep–dream cycle, or REM-NREM cycle, to distinguish it from the circadian alternation between sleep and wakefulness. In humans, this cycle takes 70 to 110 minutes (90 ± 20 minutes). [1]
In a Chinese study, people who took naps longer than 90 minutes were 25% more likely to have a stroke than those who didn’t nap or kept their nap breaks to under an hour. 5 tips for taking a ...