Jellyfish and sea anemones enter true sleep-like states despite lacking brains or centralized nervous systems. Sleep appears to protect neurons by limiting or repairing DNA damage caused during ...

Sleep is a pretty dangerous gambit. If you think about it, you’re unconscious and disconnected from the world for about a third of your life. That makes you vulnerable to predators and even ...

Sleep, it turns out, is not a luxury reserved for animals with big brains and busy calendars. New research shows that jellyfish drift into a nightly slumber that lasts about as long as a human’s, ...

Neither jellyfish nor sea anemones have brains. But these animals sleep in ways strikingly similar to humans, according to a study published today in Nature Communications 1. The findings bolster a ...

An upside-down jellyfish drifts in a shallow lagoon, rhythmically contracting its translucent bell. By night that beat drops from roughly 36 pulses a minute to nearer 30, and the animal slips into a ...

Add Yahoo as a preferred source to see more of our stories on Google. Even a boneless, gelatinous sack lacking a dedicated anus and brain needs its beauty sleep, a new study by researchers from ...

A new study analyzed the sleep patterns of jellyfish and sea anemones and found they share some sleep traits with humans. The research could provide insight into the origins and function of sleep.

Jellyfish snooze just like the rest of us. Newswise — Like humans, mice, fish and flies, the upside-down jellyfish Cassiopea exhibits the telltale signs of sleep, scientists report September 21, 2017 ...

Sleep can feel like a luxury in the busy, modern world – but new research has found that it is necessary for more than just recharging our brain. The study, published in Nature Communications, traces ...