Sleep Deprivation

How kids' brains respond to a late night up

Any parent can tell you about the consequences of their child not getting enough sleep. But there is far less known about the details of how sleep deprivation affects children's brains and what this means for early brain ...

Nov 28, 2016
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Sleep-deprived preschoolers eat more

The preschoolers, all regular afternoon nappers, were deprived of roughly three hours of sleep on one day - they had no afternoon nap and were kept up for about two hours past their normal bedtime - before being awakened ...

Oct 13, 2016
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Are we sleeping less than we used to? Here are the facts

Many of us might respond to this question with a resounding yes. It is easy to think that we all got better rest in those halcyon days when summers were long and hot, winters were snowy and life was a bit less frenetic. But ...

Oct 12, 2016
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Chronobiology—internal clocks in synch

Ludwig II of Bavaria is a particularly striking example of how differently people's internal clocks can tick. Historical sources tell us that the monarch usually carried out his government business at night and slept during ...

Oct 14, 2016
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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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