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 ...

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 ...

When birds sit quietly on a branch for long periods during winter, they are not usually sleeping but conserving energy, ...

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 ...

Q: I want to show my houseguests some eagles before they have to leave, any suggestions? A: At this time of year, bald eagles ...

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, ...

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 ...

Sleep looks peaceful on the outside, but inside the brain, it is anything but ...