13. Get natural light. Research has shown that getting enough vitamin D during the day is a part of good sleep hygiene. Time ...

When you purposefully stay up past your bedtime knowing that you're going to lose sleep, you're engaging in "revenge bedtime ...

Chronic sleep disorders and short-term sleep deprivation affect different regions of the brain, highlighting distinct neural ...

About 20% to 35% of the population suffers from chronic sleep disorders—and up to half of all people in older age. Moreover, ...

Q: I've heard that missing sleep adds up like a debt. Is that true? Can I just catch up on weekends, or is the damage done?

Waking up early when you still feel tired is frustrating. We've asked the experts why you keep waking up after just 6 hours ...