Understanding the Importance of Sleep

11 Surprising Health Benefits of Sleep

How sleep benefits your heart, weight, mind, and more.

Can't sleep? Camping could be the cure, study suggests

Researchers say sleeping under the stars can reset the body’s clock to be more in tune with nature’s light-and-dark cycle

These hunter-gatherer tribes sleep less than you, and sleep better

By studying the habits of three hunter-gatherer groups who live much the way humans have for thousands of years, a team of scientists is challenging conventional wisdom about how much sleep we need. Hari Sreenivasan goes to UCLA to learn more about getting enough rest and to do something he's never done on assignment before: falling asleep while on the job.

61 Interesting Facts You Never Knew About Sleep

9 Facts About Sleep That Will Surprise You

More sleep = more sex? From Arianna Huffington's new book, The Sleep Revolution, a scientific and personal exploration of sleep.

Has all of humanity actually forgotten the right way to sleep?

Exactly how long we're supposed to sleep each night can vary depending on who you talk to, but we all seem to agree on one thing: you want to get one long, uninterrupted sleep. But it wasn't always that way.

How A Sleep Disorder Might Point To A Forgotten Future

Acting out dreams in your sleep may put you at risk for developing dementia later in life, researchers say. The behavior appears to portend Lewy body dementia, the second-most common form of dementia among older people.

The Scary Truth About What You Did Last Night In Bed

Did you get less than 7 hours of sleep? Thought so (40% of Americans do). Averaging that much can kill you—literally. Sleep is just as vital to good health as diet and exercise, and not getting enough can lead to diabetes, obesity, and heart trouble. Now scientists are adding one more wake-up call to that list: Lack of sleep damages the brain. As in, gives you attention lapses, memory loss and even possibly Alzheimer’s disease.Here's what happens when you don't get enough sleep:

Bees learn while they sleep, and that means they might dream

A new study suggests that bees can store information in long-term memory while they sleep, just like humans do when we dream

How Sleep Loss Affects Your Heart

Sleeping for five hours a night alters your heart rate the next day

6 Relaxation Tips To Help You Sleep

This Is Why You Stick One Foot Out Of Your Blankets At Night

This Is What Happens When You Don't Get Enough Sleep (Infographic)

You know what it feels like when you don't get enough sleep. You're grumpy, you're groggy, and you probably just don't really feel like yourself. But did you know that sleep deprivation can have

Insomnia, Natural Sleep Aids, How To Sleep Better

Exercise, a good routine and the right foods are all natural sleep remedies.

6 Fast Facts About Sleep That You Should Know

Familiarizing yourself with these 6 sleep facts may make falling and staying asleep a bit easier.

Sleep Quiz: Why You Need Your ZZZs

Take this WebMD quiz and test your knowledge of sleep -- deprivation, insomnia, and nightmares.

6 Sleep Apnea Symptoms You Should Know About

Think you may have sleep apnea? Look out for these six common symptoms.

9 Reasons Why You Need to Make Sleep a Higher Priority (Infographic)

6 Tips for Managing Sleep Problems in Alzheimer's

Get caregiving tips for managing sleep problems in someone with Alzheimer's disease or a related dementia.