Search results
Results from the WOW.Com Content Network
A nap is a short period of sleep, typically taken during daytime hours as an adjunct to the usual nocturnal sleep period. 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 ...
No matter how diligent you are about getting enough sleep, sometimes you still do need a little nap. But as anyone who has woken up from a sneaky snooze feeling even groggier — and unable to ...
But nap duration seems to be key, as excessive daytime naps are associated with poor health outcomes. Aim to keep naps under 30 minutes to feel restored and refreshed, and focus on good sleep ...
Other aspects of sleep health have been associated with obesity, including daytime napping, sleep timing, the variability of sleep timing, and low sleep efficiency. However, sleep duration is the most-studied for its impact on obesity. [118] Sleep problems have been frequently viewed as a symptom of mental illness rather than a causative factor.
It’s National Sleep-in Day on Sunday, October 31 when the clocks go back and we can all enjoy an extra hour in bed. But why wait till then when you can reap the benefits of a daytime nap any day…
Napping behaviour during daytime hours is the simplest form of polyphasic sleep, especially when the naps are taken on a daily basis. The term polyphasic sleep was first used in the early 20th century by psychologist J. S. Szymanski, who observed daily fluctuations in activity patterns. [2] It does not imply any particular sleep schedule.
Chronotype can affect how sleep deprivation influences mood. Those with morningness (advanced sleep period or "lark") preference become more depressed after sleep deprivation, while those with eveningness (delayed sleep period or "owl") preference show an improvement in mood. [62] Mood and mental states can affect sleep as well.
Since the REM stages typically occur during the second half of sleep, sleeping too little may not allow the body enough time to complete all the REM sleep cycles, per the National Sleep Foundation.