Sleep Deprivation

Getting to the 'heart' of sleep

Sleep is essential for a healthy heart. People who don't sleep enough are at higher risk for heart disease. One study that examined data from 3,000 adults over age 45 found that those who slept fewer than six hours per night ...

Feb 05, 2016
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Poor sleep in seniors linked to hardened brain arteries

Poor sleep quality in elderly persons is associated with more severe arteriosclerosis in the brain as well as a greater burden of oxygen-starved tissue (infarcts) in the brain - both of which can contribute to the risk of ...

Jan 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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