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 ...

Wearable devices may prevent astronauts getting 'lost' in space

The sky is no longer the limit—but taking flight is dangerous. In leaving the Earth's surface, we lose many of the cues we need to orient ourselves, and that spatial disorientation can be deadly. Astronauts normally need ...

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 ...

Warming climate spurs harmful oxygen loss in lakes

Rondaxe Lake in Herkimer County, New York, represents classic Adirondack Park waters. But over the last quarter-century, Rondaxe—like thousands of lakes in temperate zones around the world—has been losing a global-warming ...

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