Sleep Deprivation

To sleep, perchance to forget

The debate in sleep science has gone on for a generation. People and other animals sicken and die if they are deprived of sleep, but why is sleep so essential?

9 hours ago
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Pulling an all-nighter impairs working memory in women

Over the last few decades, a wealth of evidence has accumulated to suggest that a lack of sleep is physically and mentally unhealthy. Working memory is important for retaining information for brief periods of time, which ...

Feb 01, 2018
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Lack of sleep could cause mood disorders in teens

Chronic sleep deprivation—which can involve staying up late, and waking up early for work or school—has become a way of life for both kids and adults, especially with the increasing use of phones and tablets late into ...

Dec 06, 2017
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Sleep deprivation is the condition of not having enough sleep; it can be either chronic or acute. A chronic sleep-restricted state can cause fatigue, daytime sleepiness, clumsiness and weight loss or weight gain. It adversely affects the brain and cognitive function. Few studies have compared the effects of acute total sleep deprivation and chronic partial sleep restriction. Complete absence of sleep over long periods is impossible for humans to achieve (unless they suffer from fatal familial insomnia); brief microsleeps cannot be avoided. Long-term total sleep deprivation has caused death in lab animals.

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