A new study from Bar-Ilan University shows that one of sleep's core functions originated hundreds of millions of years ago in ...

Scientists already knew that the pair of shallow coastal ocean dwellers keep very different schedules of downtime: The ...

Yet, jellyfish tend to sleep through the night like humans, and even nap around midday. Meanwhile, their close relative, the ...

Studying ancient sea creatures’ snoozing habits could shed light on the origins of sleep.

In jellyfish and sea anemones, neurons accumulate DNA damage while animals are awake and repair that damage during sleep.

Jellyfish and sea anemones display human-like sleep, supporting theories about sleep’s role in preserving neurons, even ...

With all of this emphasis on Darwin and evolution the question was bound to arise for me - what do we know about the evolution of sleep? At first glance it would seem that sleep is a bad idea. In most ...

Ever wondered how some animals manage to survive without the luxury of a good night's rest while we humans desperately need our eight hours? The animal kingdom is packed with creatures that seem to ...

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 ...

We recently experienced a very special day - February 12th, the 100th anniversary of the founding of the NAACP, and the two hundredth anniversary of both Abraham Lincoln's and Charles Darwin's ...