Sleep and Dreams

Fall asleep, stay asleep and find out why it's important to sleep. You can also learn why some people take walks or eat while they sleep.

Everybody sleeps, so you'd think we'd all be experts on dozing. But it turns out, there are some persistent myths that are keeping us from getting the best possible rest.

Insomnia can feel like torture, but can it be fatal? The answer is yes, but it's an incredibly rare neurodegenerative disease, normally passed down genetically.

You know you're not yourself when you don't get enough sleep, but what really happens to your body when the sandman refuses to visit?

Can't sleep? Tossing and turning? Join the crowd. Insomnia is all too common -- but what's keeping so many people from getting the rest they need?

For some people, medications or herbal supplements can be the answer to sleep problems — if you know the right one. This guide will help you and your doctor make the decision that's right for you.

Groggy, gravelly, grumpy. Most of us feel glum when we're running on too little sleep, but not sleeping enough has implications beyond our general mood.

Research shows that when we've had too little sleep, our brain activity makes us overly optimistic, so we make some bad choices.

The statistics are alarming: According to the World Association of Sleep Medicine, about 45 percent of the world's population isn't getting enough sleep.

Although unpleasant, nightmares are essential to our dreams. Nightmares are a manifestation of other common feelings like stress and anxiety. They aren't as straight forward as they seem, but there are several common nightmares most of us experience.

We all know that a sleepless night can make us cranky in the morning. But did you know the other effects of sleep deprivation are far more serious than dark circles under your eyes and a short temper?

From infancy until our last days, our minds constantly produce dreams while our bodies are at rest. But, what exactly are dreams, and why do we have them?

Don't you hate it when you're having an intense dream, filled with vivid sights and sounds, and then all of a sudden, you're startled by the buzzing of your alarm and your incredible dream fades from your memory?

If you're experiencing stress on the job or in your marriage, you're likely to see that turmoil play out in your dreams. Why does your brain make you relive the drama in your sleep?

Researchers have had such a hard time trying to determine why we sleep that there's an old joke in the sleep scientist community: "We need sleep to cure sleepiness." Have they come up with any other theories?

Think you might have a sleep disorder? Learn more about the 9 most common sleep disorders.

Sleep apnea causes patients to actually stop breathing periodically throughout the night. Learn about the silent dangers of sleep apnea.

Sleep deprivation affects your ability to function during the day. A thorough investigation of lifestyle, nutrition, stress management and symptoms can help you overcome the causes of sleep deprivation.

Sometimes, you just can't sleep. It might be a bad dream or a too-late cup of coffee or a list of worries, but whatever the reason, you're staring at the ceiling, wide awake. Will a melatonin supplement bring you blessed relief?

Dream, a series of sensations, images, or thoughts that pass through a sleeping person's mind.

Getting enough sleep can reduce inflammation in the body, increase physical performance and help you live longer. Get more ideas on getting rested in this image gallery.

Are you trying to stop snoring, or get someone else to stop snoring? Take a look at these 9 tips to stop snoring for help getting peaceful sleep.

Go ahead. Take that power nap. Sleep in on Saturday. Snooze through the "Late Show with David Letterman" for a full eight hours of Zs. It's good for your heart.

Let's say the sandman forgets to come by and sprinkle you with some of his slumber dust. How much do you really need that repose?

How to fall asleep is a complex question that can affect every part of your daily routine. Learn how to hit the sweet spot in your sleep-wake cycle.

There are more than 80 classified sleep problems. Learn about the primary sleep disorders, and how secondary sleep disorders are different.