Add Yahoo as a preferred source to see more of our stories on Google. A painting of a woman waking up. The wild thing about Ekirch’s study was that the evidence of biphasic sleep was staring us in the ...

On dry nights, the San hunter-gatherers of Namibia often sleep under the stars. They have no electric lights or new Netflix releases keeping them awake. Yet when they rise in the morning, they haven’t ...

A new study analyzed the sleep patterns of jellyfish and sea anemones and found they share some sleep traits with humans. The research could provide insight into the origins and function of sleep.

IT IS HARD to overstate the importance of sleep. Regular hours of rest offer organisms of all sizes a chance to consolidate memories, repair cells and boost the health of their immune systems. But the ...

Sleep undergirds every aspect of our physical and mental health, which we need to support now more than ever. Cultivating healthy sleep behaviors during this nightmarish time can get you closer to the ...