Jellyfish and sea anemones are curious creatures: these organisms evolved without a brain and, as scientists discovered only ...

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

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.

Viral videos are prompting questions about who enforces the rules along San Diego’s coast and what happens when they’re ...

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

Jellyfish and sea anemones, despite lacking brains, show sleep behavior similar to that seen in humans, according to a new study published in Nature Communications. Researchers found that these simple ...

Unlike their shelled relatives, which can tuck in and hide from predators and environmental factors, sea slugs are just out ...

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

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

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

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

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