You can live for years with obstructive sleep apnea and never know it. The condition repeatedly narrows your upper airway ...

Sleep apnea is a serious sleep disorder that happens when your breathing stops and starts while you're asleep. If it goes untreated, it can cause loud snoring, daytime tiredness, or more serious ...

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Do you struggle with falling asleep at night? Well, you're not alone. More than a third of adults in the U.S. don't get enough sleep on a regular basis, according to a February 2016 report from the ...

The best sleep is had over the course of a full night How much sleep you need is influenced by your genetics. It’s good to aim for between 7 and 9 hours every night, but some people may need 10 or be ...

Periodic limb movements of sleep (PLMS) is a sleep disorder that involves repetitive and involuntary movements of the limbs. Periodic limb movements occur when the arms or legs move during sleep. In ...

Sleep deprivation happens when you don’t get enough sleep, or don’t get enough quality sleep. This may happen because of lifestyle choices, work demands, and medical conditions. Lack of sleep can ...

Your sleep needs vary during your lifetime and by how many sleep cycles you need to feel rested. Keeping track of your sleep schedule might not always be your top priority, but getting enough sleep is ...

Let's talk about one of the most confusing terms you’ll see on your fitness tracker—specifically your Apple Watch. Next to REM sleep, which you’ve probably heard of, and “deep” sleep, which feels self ...