Related topics: sleep

Study identifies two biomarkers for lack of sleep

(Phys.org)—Ideally, we would get the appropriate amount of sleep to keep our bodies healthy, but in our modern society things like jet lag, extended work hours, or using electronic devices cause disruptions in our sleep/wake ...

Why the system needs sleep

Sleep is essential for brain functionality and overall health but understanding how sleep delivers its beneficial effects remains largely unknown. In an article publishing on August 9 in the open access journal PLOS Biology, ...

Access to electricity is linked to reduced sleep

Blame smartphone alerts, constant connectivity and a deluge of media for our society's sleep deprivation. But the root cause of why we get less sleep now than our ancestors did could come down to a much simpler reason: artificial ...

Russian balloon more than halfway to circumnavigating globe

A 65-year-old Russian adventurer was battling sleep deprivation, freezing temperatures and ice in his oxygen mask but was ahead of schedule for his record attempt to fly solo in a balloon around the world nonstop, his son ...

No time to nap in nature

The first study ever to examine sleeping behavior in a wild group of primates has challenged a central tenet of sleep science: that we must make up for lost sleep. Even after sleeping poorly, wild baboons still spent time ...

Lack of sleep is not necessarily fatal for flies

Male flies kept awake do not die earlier than those allowed to sleep, leading researchers to question whether sleep, in flies at least, is essential for staying alive.

These migratory birds will risk their lives for a good nap

When driving across country, people can only make it so far before stopping off to rest. Likewise, most migratory songbirds must make stops during their long-distance journeys to sleep along the way. Now, researchers have ...

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Sleep deprivation

Sleep deprivation, having too little sleep, can be either chronic or acute. Long-term sleep deprivation causes death in lab animals. A chronic sleep-restricted state can cause fatigue, daytime sleepiness, clumsiness and weight gain.

Complete absence of sleep over long periods is impossible to achieve; brief microsleeps cannot be avoided.

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