Sleep Deprivation

Counteracting poor decision-making due to sleep loss

Researchers from Washington State University's Sleep and Performance Research Center received a $1.7 million grant to develop and test cognitive flexibility training to combat the effects of sleep loss on decision-making ...

Jul 19, 2016
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Deep sleep puts the 'REM' in remembering

When it comes to mental health and cognitive function, the importance of rapid eye-movement sleep - that deep, restorative stage of sleep that we cycle in and out of throughout the night - is so well established that experiments ...

May 13, 2016
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Smartphones uncover how the world sleeps

A pioneering study of worldwide sleep patterns combines math modeling, mobile apps and big data to parse the roles society and biology each play in setting sleep schedules.

May 06, 2016
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Weight and diet may help predict sleep quality

The old adage "you are what you eat," may be better phrased as "your sleep relates to what you eat." An individual's body composition and caloric intake can influence time spent in specific sleep stages, according to results ...

Jun 10, 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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