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

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

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

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

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

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

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

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

Max Genecov is a doctoral candidate in clinical psychology at the University of Pennsylvania, a dad, and a stuffed animal owner. “I’ve always had them growing up, I had a big fantasy life with them ...

Utahns love their pets. But your animals could be coming between you and a good night’s sleep, writes behavioral and social ...

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