Sleeping is known to help humans stabilize information and tasks learned during the preceding day. Now, researchers have found that sleep has similar effects upon learning in starlings, a discovery ...

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 ...

If you regularly wake at 3am and stare into the dark wondering what’s wrong, you’re not alone, and you may not be broken. For much of human history, sleeping straight through the night wasn’t the norm ...

Continuous sleep is a modern habit, not an evolutionary constant, which helps explain why many of us still wake at 3am and wonder if something's wrong. It might help to know that this is a deeply ...

At first I dreaded having to investigate the history of sleep. Human slumber appeared impervious to time and place, stubbornly immune to the element of change animating most works of history. My own ...

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.

Imagine if we asked you to go into the countryside for an extended period of time and the only requirement was that at night you had to sleep in a tree. You would be free to roam about and to forage ...

Neither jellyfish nor sea anemones have brains. But these animals sleep in ways strikingly similar to humans, according to a study published today in Nature Communications 1. The findings bolster a ...