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

Every animal with a brain needs sleep — and even a few without a brain do, too. Humans sleep, birds sleep, whales sleep and even jellyfish sleep.

This immersive interactive pulled audiences into the secret world of animal sleep — transforming complex science into a visually rich, accessible ...

Group sleeping can impact when animals sleep, how long they sleep for, and how deeply they sleep. For example, groups of meerkats time their sleep according to 'sleep traditions'; olive baboons sleep ...

We might be capable of getting our shut-eye in all kinds of places, but nothing beats the sheer variety of sleeping habits in the broader animal kingdom. Animals can sleep on the wing, standing up, ...

Sleep in fish may look different from humans, but rest is essential for survival. Here’s what experts have to say about fish sleep. A protective mucous cocoon surrounds this parrotfish as it sleeps in ...

Every animal with a brain needs sleep — and even a few without a brain do, too. Humans sleep, birds sleep, whales sleep and even jellyfish sleep. Sleep is universal “even though it’s actually very ...