When animals nod off, they're most vulnerable to sneaky predators. But despite the risks, the need for sleep is so strong ...

If you’re energetic and confident, enjoy cooking and believe in love at first sight, new research shows you're probably an early bird. A look into our sleeping habits revealed some interesting ...

Did you know that some birds can actually sleep while flying? Learn all about this unique technique that allows birds to rest while migrating.

The weariest warblers are more likely to sleep with their heads tucked in — saving energy, but making them more vulnerable to predators. By Emily Anthes Every spring, throngs of garden warblers make a ...

Some birds sleep in the air. Swifts, for example, hunt down bugs high in the sky 24 hours a day from the time they leave their nest until they return six months later. Some landbirds make transoceanic ...

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 already know that some birds can fly for weeks or even months at a time without landing, but this remarkable ability has raised a few questions about how, if at all, these creatures find the time ...

We all know the early bird gets the worm, so why do these young endangered grassland songbirds hang out in their nests late into the day? A new study seeks to answer that question, and it could be ...

Scientists brought to life the silent, sleeping songs of two great kiskadees. Andrej Chudý via Flickr under CC BY-NC-SA 2.0 DEED While birds are fast asleep, their brains remain active, firing off ...

Researchers have tracked muscle contractions in a bird's vocal tract, and reconstructed the song it was silently singing in its sleep. The resulting audio is a very specific call, allowing the team to ...