Frigatebirds can remain airborne for days at a time without landing. Here’s how they rest while flying, according to ...

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 ...

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 ...

Maddy has a degree in biochemistry from the University of York and specializes in reporting on health, medicine, and genetics. Maddy has a degree in biochemistry from the University of York and ...

Did you know some birds can actually rest while flying? That’s right: migrant birds in particular can conserve their energy, and even restore it, by sleeping mid-flight. “Many bird species complete ...

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 ...

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 ...

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