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 songs a bird sings while dreaming have been revealed for the first time. Researchers at the University of Buenos Aires created a way to track the vocal muscle activity of birds as they sleep, and ...

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 ...

Animals have evolved to sleep in extreme ways — for example, taking micro naps during parenting, sleeping on the wing during ...

Some animals can sleep with just half their brain at a time. Understanding this phenomenon can help us learn more about human ...

Bird songs are awesome. You probably don't pay them much mind, but the songs of birds are known to be soothing to humans, regardless of the setting. Bird songs can reduce stress and improve your mood, ...

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 ...