A large cross-sectional analysis of 25,381 Swedish adults aged 50–64 found that habitual coffee consumption showed only very weak associations with sleep quality and daytime sleepiness. Genetic ...

Don’t sleep on this nutrient. If you’re not getting enough sleep, you could be missing out on some vital dietary staples. But ...

Researchers have found the optimal amount of sleep that is linked to the best level of insulin sensitivity, which comes to a ...

Look for simpler alternatives. Some pre-workout supplements are lower in caffeine or include natural energy sources like beetroot. Trying these options may reduce the risk of sleep disruption while ...

It might be worth working a little bit harder to get that much-desired, but often elusive, good night's sleep. Deep sleep clears the mind of waste just as a "dishwasher" cleans dirty plates and ...

What is a sleep study? A sleep study, also known as a polysomnogram, is a diagnostic test that monitors various body functions while a person is asleep. It is most commonly used to diagnose sleep ...

A new study has found the precise time you should sleep to regulate blood sugar levels and lower insulin resistance. It says that sleeping for 7 hours and 18 minutes every night can help lower insulin ...

Eight hours of sleep used to be the norm, and all-nighters with only a few hours of rest were rare among teenagers. In recent ...

And experts have some recommendations for how to fix it.

Atrial fibrillation is the most common form of heart rhythm disorder and is linked to serious complications, including stroke ...

A new study of more than 120,000 high school students found that many teenagers are not getting the recommended amount of ...

Epileptic seizures alter sleep by prolonging the stage that's central to memory formation, potentially predisposing the brain to "remember" how to trigger subsequent seizures more easily, a small ...