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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.
Check for over-napping. People may wish to take naps during the day, but unintentionally getting too much sleep will affect nighttime sleep. Physical activity is a treatment for Alzheimer's and a way to encourage night sleep. [5] Caffeine is a (fast-working) brain stimulant, but should be limited at night if a night's sleep is needed. [4] [5] [10]
The only people who should avoid napping are those who have trouble sleeping at night, Maas said. Senior citizens in particular should be vigilant because they tend to nap for too long during the day.
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A common form of biphasic or polyphasic sleep includes a nap, which is a short period of sleep, typically taken between the hours of 9 am and 9 pm as an adjunct to the usual nocturnal sleep period. Napping behavior during daytime hours is the simplest form of polyphasic sleep, especially when the naps are taken on a daily basis.
Napping on a regular basis triggers an elevated risk of developing high blood pressure and having a stroke.
The 20 and 30-minute periods of sleep showed evidence of sleep inertia immediately after the naps and improvements in alertness more than 30 minutes later, but not to a greater level than after the 10 minutes of sleep. [3] Power naps are effective even when schedules allow a full night's sleep. [4]
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 ...