We've all heard the usual sleep advice: ditch the screens before bed, keep your room dark, and avoid caffeine late in the day ...

Infants usually sleep between 16 and 18 hours a day, children (grades 1 through 12) usually need about nine-and-a-half hours ...

Feeling tired despite enough hours? Learn how understanding your 90-minute sleep cycles & using a sleep calculator can help ...

Hyperfixation on getting a good night’s rest can ignite a tortuous loop. Stress about sleep causes activation in the body, ...

What you eat before you sleep can have an effect on your sleep quality. These are the best foods to eat and what you should ...

Discover why training your body to need less sleep is impossible and deadly. The adaptation you feel masks organ damage.

Chronic poor sleep is linked to a string of health problems and may increase the likelihood of developing dementia, heart ...

That’s the takeaway from a new study of almost 15,000 active men and women. It found that exercising within about four hours of bedtime makes it harder to fall asleep and reduces how long you spend ...

Not only is the amount of sleep you get important for performance, but so is the quality of sleep you get—and that means ...

Dear Running on Empty: You’ve tried hinting, but it’s time to be direct. Rest is essential for all of us to function, and your sister is lucky enough to get her sleep overnight. Tell her that your ...