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Sleep inertia is a physiological state of impaired cognitive and sensory-motor performance that is present immediately after awakening. It persists during the transition of sleep to wakefulness, where an individual will experience feelings of drowsiness, disorientation and a decline in motor dexterity.
A confusional arousal (also known as sleep drunkenness or severe sleep inertia) is medical condition where a person awakened from sleep shows mental confusion for at least several minutes. [ 1 ] [ 2 ] Complete or partial amnesia of the episodes may be present.
What does sleep inertia feel like? Sleep inertia is impaired cognitive and physical function immediately after waking. It may feel like grogginess, sluggishness, drowsiness, and trouble thinking ...
It doesn’t help that people with depression have a higher risk of sleep problems—75% have trouble falling asleep or staying asleep, per Johns Hopkins Medicine. 5. Type 2 Diabetes
According to a 2000 study, sleep deprivation can have some of the same hazardous effects as being drunk. [46] People who drove after being awake for 17–19 hours performed worse than those with a blood alcohol level of 0.05 percent, which is the legal limit for drunk driving in most western European countries and Australia.
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“Sleeping upright at the desk is obviously less comfortable than lying in a recliner for a nap. The bed would be the most comfortable spot,” he explained. “If a bed is easily available, it ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 12 January 2025. Short period of sleep during typical waking hours For other uses, see Nap (disambiguation). A man napping in a hammock, on a patio in Costa Rica 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 ...