Knowledge Center

If you have trouble falling asleep, are a night shift worker, or just temporarily battling jet lag, melatonin supplements may help you get a better night’s rest.

The numbers are staggering — between 50 to 70 million adults in the United States have sleep or wakefulness disorders. About 2 percent of the population uses melatonin supplements for sleep regulation, yet researchers are still learning about the overall effects of this treatment and how best to use it.

Melatonin is a hormone secreted ...

Getting a good night’s sleep is vital at every stage of life, but expect fluctuation in the needed length of sleep.

Everyone’s sleep pattern changes throughout life: Babies sleep the day away, while seniors often get by on a handful of hours nabbed here and there. Sleep habits also change depending on your age. You might find yourself waking up earlier or staying up later. It may become harder to fall asleep or stay asleep because, as you get older, you’re ...

Can sleep build strong bones? Experts say yes. Find out the benefits of healthy sleep on every part of your body.

Being asleep may seem like the ultimate form of inactivity, but those unconscious hours are actually a time of hard work for your body. Sleeping is one way that your body recovers from damage and protects itself against illness, says Michael Twery, PhD, director of the National Center on Sleep Disorders Research for the National Heart Lung and Blood Institute. ...