Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Sleep also enables the body ...

From an evolutionary perspective, lighter sleep or more frequent awakenings when we're somewhere new may be protective, allowing us to detect potential threats ...

Short sleepers, who make up less than one per cent of the population, spend significantly less time snoozing without any ...

New research finds that sleep is essential for protecting brain mitochondria by transferring toxic metabolic waste from neurons to glial cells for disposal.

Many of us obsess over how much sleep we get each night, and the dangers to our health of not getting enough, but really, there is another way ...

When HHMI Investigator Amita Sehgal started studying sleep 25 years ago, the topic elicited a yawn from most biologists. "In ...

Although some people sleep very soundly, both mind and body remain active. Not only do we dream, but we snore, talk, laugh, ...

Add Yahoo as a preferred source to see more of our stories on Google. Six hours sleep For those of us who worry about our sleep, every morning is a scramble of mental maths as we turn to our bedside ...

Ancient humans did not sleep continuously. They commonly slept in two shifts each night, separated by a period of wakefulness ...

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