A few weeks ago when I was out cycling with some friends, we saw a few birds who looked like they were sleeping. Someone asked me what they were doing, and I said they were resting or sleeping but I'd ...

We've all had a bad night's sleep, with a snoring partner, a crying baby or neighbors having too much fun. Sleep disturbances are common and have unpleasant consequences the day after, including ...

The researchers discovered there were not two distinct chronotypes but five—two kinds of early birds and three kinds of night owls. One group of early birds tended to suffer from depression while ...

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 ...

Have you ever wondered how nocturnal owls sleep in the day? While very different from humans, it is extremely intersting.

Sleeping is known to help humans stabilize information and tasks learned during the preceding day. Now, researchers have found that sleep has similar effects upon learning in starlings, a discovery ...

Did you know that birds dream when they sleep, and sometimes they even sleep talk? @brody.and.the.flo shared an adorable video of her baby Amazon Parrot, Brody, snuggled up and napping on her lap, and ...

This is read by an automated voice. Please report any issues or inconsistencies here. Animals such as penguins and frigatebirds have evolved extreme sleep strategies — naps that last a few seconds, ...