An upside-down jellyfish drifts in a shallow lagoon, rhythmically contracting its translucent bell. By night that beat drops ...
NASHVILLE, Tenn. (WSMV) - It turns out sleeping isn’t just about resting your eyes, as a new study found that even ancient creatures without eyes — or even brains — need it too. A study published in ...
A groundbreaking 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, among the earliest creatures ...