An upside-down jellyfish drifts in a shallow lagoon, rhythmically contracting its translucent bell. By night that beat drops ...

Turns out jellyfish and sea anemones – among the ancient creatures with a nervous system instead of a brain – have a very similar sleeping routine to our own. A new study published in Nature ...

We recently experienced a very special day - February 12th, the 100th anniversary of the founding of the NAACP, and the two hundredth anniversary of both Abraham Lincoln's and Charles Darwin's ...

Even a boneless, gelatinous sack lacking a dedicated anus and brain needs its beauty sleep, a new study by researchers from Bar-Ilan University in Israel finds. Jellyfish sleep a third of every day ...

It can be hard to get a good night’s sleep if you suffer from a sleep disorder. It can also be hard to get a good night’s sleep if you are sleeping next to someone with a sleep disorder. Currently, ...