Jellyfish and sea anemones sleep too. A new study reveals that sleep may have evolved to protect nerve cells from DNA damage.

Animals have evolved to sleep in extreme ways — for example, taking micro naps during parenting, sleeping on the wing during ...

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

They identified two states: a “normal” one and a quiet state. When they were in this quiet state, the jellyfish were much ...

It turns out sleeping isn’t just about resting your eyes, as a new study found that even ancient creatures without eyes — or ...

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.

Some animals can sleep with just half their brain at a time. Understanding this phenomenon can help us learn more about human ...

This immersive interactive pulled audiences into the secret world of animal sleep — transforming complex science into a visually rich, accessible ...

The evolutionary drive to maintain neurons that we see in jellyfish and sea anemones is perhaps one of the reasons why sleep is essential for humans today, Appelbaum said.

Sleep may have evolved to help reduce DNA damage in nerve cells long before they became centralized in the brain, a study ...