Irukandji jellyfish deliver one of the most painful possible stings. Learn what the experts say about the dreaded Irukandji ...

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

Humans began sleeping as a way to partly help reduce DNA damage in nerve cells, scientists at Bar-Ilan University in Israel ...

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

The benefits of sleep may be more universal than we thought. We know it helps clear waste from the brain in humans, and now ...

Sea anemones and jellyfish don’t have brains, but the way their neurons behave during sleep shows some surprising ...

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

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

"An ancestral trait." Groundbreaking study finds bizarre similarity between brainless jellyfish and humans: 'Fundamental ...

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

With increased DNA damage from UV radiation or other reasons, the researchers also observed the jellyfish and sea anemones ...

A new study from the multidisciplinary brain research center at Bar-Ilan University found that jellyfish and sea anemones ...