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The National Sleep Foundation recommends that adults aim for 7–9 hours of sleep per night, while children and teenagers require even more. For healthy individuals with normal sleep, the appropriate sleep duration for school-aged children is between 9 and 11 hours.
Polyphasic sleep is the practice of sleeping during multiple periods over the course of 24 hours, in contrast to monophasic sleep, which is one period of sleep within 24 hours. Biphasic (or diphasic , bifurcated , or bimodal ) sleep refers to two periods, while polyphasic usually means more than two. [ 1 ]
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 ...
More than half (56 percent) of perimenopausal women ages 40 to 59 sleep less than seven hours per night, and they’re more likely to have trouble falling asleep and staying asleep compared to ...
Sleeping a consistent number of hours will reduce feelings of drowsiness throughout the day, especially due to the large amount of sleep necessary for students. [55] Going to sleep at a consistent time and having a consistent routine can also be just as important as sleeping the same number of hours each night. [56]
No, four hours of sleep is not enough for the average person. The minimum amount of sleep recommended for adults by the American Academy of Sleep Medicine is seven hours.
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EDS can be a symptom of a number of factors and disorders. Specialists in sleep medicine are trained to diagnose them. Some are: Insufficient quality or quantity of night time sleep [5] Obstructive sleep apnea [6] Misalignments of the body's circadian pacemaker with the environment (e.g., jet lag, shift work, or other circadian rhythm sleep ...