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Compounding this is the proven dissociation between objective performance and subjective alertness; people vastly underestimate the effect that sleep deprivation has on their cognitive performance, particularly during the circadian night. [56] Many of acute sleep deprivation's effects can be countered by napping, the longer the more beneficial ...
As many as 70 million people have consistent sleeping issues. Not getting enough sleep each night can raise a person’s risk for several health concerns, including cognitive decline and dementia.
It's suggested that idiopathic insomnia is a neurochemical problem in a part of the brain that controls the sleep-wake cycle, resulting in either under-active sleep signals or over-active wake signals. Sleep state misperception is diagnosed when people get enough sleep but inaccurately perceive that their sleep is insufficient. [128]
Around 3.3 years after the sleep assessment, the participants underwent cognitive assessments and magnetic resonance imaging (MRI) scans to assess changes in brain structure. The researchers did ...
The study found that several sleep characteristics, including sleep quality, early morning awakening, and difficulty falling asleep or staying asleep, were linked to accelerated brain aging ...
Main health effects of sleep deprivation, [1] indicating impairment of normal maintenance by sleep. Sleep debt or sleep deficit is the cumulative effect of not getting enough sleep. A large sleep debt may lead to mental or physical fatigue, and can adversely affect one's mood, energy, and ability to think clearly.
“The effects of sleep on cognitive health depend on the attributes of an individual’s sleep, including the quality, quantity, frequency, and even the regularity of sleep.
The effect of sleep duration on somatic growth is not completely known. One study recorded growth, height, and weight, as correlated to parent-reported time in bed in 305 children over a period of nine years (age 1–10). It was found that "the variation of sleep duration among children does not seem to have an effect on growth."
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