Sleep Disorders

From insomnia to narcolepsy, sleep disorders include any abnormality in a person's sleep patterns. Learn about the diagnosis and symptoms of sleep disorders, and find out how they can be treated.


Even if the film is full of blasting bombs and flashing lights, it might not be enough to stop some folks from nodding off.

A new study links sleeping in on the weekends with an increased likelihood of heart disease.

They're not hallucinations, but they're not just regular nightmares, either.

Don't worry, you'll grow out of it – unless you're among the tiny percent of adults who still experience horrific sleep visions. Learn all about night terrors at HowStuffWorks.

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.

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.

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.

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

The causes of insomnia are as numerous as the forms it takes. Learn how to combat insomnia arising from medical conditions, jet lag and other causes.

If you have sleep apnea, your doctor might recommend surgery to help you good a good night's rest. Learn more facts about sleep, solutions for a goodnight's sleep, and side effects of poor sleeping habits.

Narcolepsy causes sufferers to fall asleep unexpectedly. How does it work?