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 ...

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 ...

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 ...

Do ducks snore? Of course they do. But you probably have never seen very cute video of a sleeping duck snoring. Experts say all snoring is very annoying unless an adorable little duck is the one ...

The internet has fallen head-over-heels for a golden retriever taking the ultimate nap in the sun, and making the sounds to prove it. Jupiter the golden lives in the United Kingdom with his owners, ...