Who among us hasn't uttered the phrase "I'll sleep when I'm dead"? Well, sleep deprivation can totally kill you. But you might be surprised to learn what the actual cause of death is, and a technique you can use to stay awake for the...

The first phase of the ceasefire between Israel and Hamas is supposed to end on Saturday and negotiations to extend it to a second phase are now at a standstill. During the pause in fighting, some 600,000 Palestinians have returned to...

If you've ever watched an animal sleep and wondered what they're dreaming about, science has the answers.

Research has found that teenagers should be getting eight to ten hours of sleep every night. But many are sleeping far less than that and nearly one in four also suffer from insomnia. William Brangham reports on why it's so hard for so...

It would be a lot easier to study the science of dreaming if we weren’t asleep every time we did it. Why do we dream? What does dreaming do for our brains? How did dreaming evolve? Here’s a look at the current theories from psychology...

In the animal kingdom, sleeping can be dangerous. Lying completely motionless and unconscious for hours at a time is just asking for trouble. There are, however, some sleepy risk-takers who spend almost all of their days snoozing.

Bats sleep upside down, so how come they don’t fall? Turns out that they’ve got some unusual legs.

Learn why you may experience jumping in your sleep, and how you can prevent it!

The U.N. Security Council expressed deep concern over the security and humanitarian crises in Haiti. The Caribbean nation is in freefall without effective governance or protection from gangs that routinely terrorize innocent civilians...

Dreams can be scary, mystifying, and sometimes unnatural feeling experiences, but there's plenty about them that are perfectly ordinary. Here's a compilation of some things we know about dreams.

Our body is supposed to be paralyzed during REM sleep, but REM sleep behavior disorder might not allow you to stay in bed. It could even cause you to act out your dreams in real life.

Why do we sleep? We spend a third of our lives in slumber, but science has yet to determine exactly why we have do it. Here's a look at how sleep works, why we're not getting enough sleep, what happens if you DON'T sleep, and an idea...

Sleep is important, but not all animals need the same kind of deep rest as humans. From sleeping standing up to sleeping inside snot bubbles, here are 8 especially strange ways some animals catch their ZZZs.

In the animal kingdom, sleeping can be dangerous. Lying completely motionless and unconscious for hours at a time is just asking for trouble. There are, however, some sleepy risk-takers who spend almost all of their days snoozing.

What's the best sleeping position? Well, with all the pseudoscience to consider, it might just depend on who you are. *The graphic shows the stomach on the wrong side of the body. It should be pictured on the left side of the body, not...

You might think you need a brain to be able to sleep, but organisms with super simple neural networks can still "sleep" sort of like we do. So, if these organisms can sleep too, then what is sleep anyway?

We all know space travel is pretty dangerous, but here are a few more things that you probably wouldn't have thought to look out for!

Around 1917, an unknown illness dubbed "sleeping sickness" caused people to suffer severe sleepiness and delirium. Some even became paralyzed for decades until a temporary cure was discovered in the 1960s. The story of this illness is...

What happens when you don't sleep? And why do we need to do it anyways? Hank explains the science of sleep: the cause, the benefits, and who holds the record for going without it!

A leather mask that clamps the mouth shut. A cannonball sewn into a soldier's uniform. A machine that delivers sudden electrical pulses. These were all treatments for a problem that has haunted humanity for millennia: snoring. It might...

Being able to sense time helps us do everything from waking and sleeping to knowing precisely when to catch a ball that's hurtling towards us. And we owe all these abilities to an interconnected system of timekeepers in our brains. But...

Vivid dreams have gotten pretty common during the Covid-19 pandemic and there’s a good psychological reason for that.

Squirrels eat a lot of things that are pretty tricky to find in the winter, like nuts and berries. Luckily for them, they have lots of clever ways to store up food to last them through the cold parts of the year!

It’s easy to look at a sleeping dog’s leg twitching and imagine that it’s having a wonderful rabbit-chasing dream. But can animals with brains that are very different from ours have dreams?