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 ...

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

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 ...

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 underwater presents a serious challenge for animals that still need oxygen to survive. Different species have evolved specialized strategies that allow rest without fully losing awareness or ...

Humans do very little when we sleep. This might not seem like a big deal, until you look to the dolphins as they sleep and swim with the pod. Or fur seals, who can sleep while watching out for sharks.

Most animals don’t keep the same schedule we do. While we try to squeeze in eight hours and call it a good night, many animals snooze through more than half the day—and some barely stay awake at all.

Tired of ads? Subscribers enjoy a distraction-free reading experience. Every animal with a brain needs sleep — and even a few without a brain do, too. Humans sleep, birds sleep, whales sleep, and even ...

Read full article: ‘Right buyer never came’: Intuition Ale Works owner says beloved downtown brewery is closing for good in April A 14-year-old Fletcher High School wrestler is facing a long road to ...