Related topics: sleep

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.

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 ...

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 ...

Dolphins maintain round-the-clock visual vigilance

Dolphins have a clever trick for overcoming sleep deprivation. Sam Ridgway from the US Navy Marine Mammal Program explains that they are able to send half of their brains to sleep while the other half remains conscious. What ...

Worm genetics reveal important pathways for sleep regulation

Although the regulation of sleep—how much, when, and how sleep occurs—is mainly considered to be controlled by the brain, sleep deprivation also affects the body, and signals from the body can affect sleep. However, the ...

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 ...

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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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