Discover why sleep is more powerful than you think—and how a lack of it can quietly impact everything from your mood to long‑term brain health.

How accurate is your smartwatch? Learn how Apple and Samsung smartwatches use motion and HR to track sleep, and why you should take the data with a grain of salt ...

Sleep is critical to peak health. Some of the adverse health effects attributed to too little sleep include obesity, diabetes, hypertension, heart disease, stroke, depression, impaired immune function ...

You probably already know that a solid night’s rest can change everything. Your mood lifts, your mind sharpens, and your body ...

Most adults need 7–9 hours of sleep per night, but nearly 30% fall short, and even those who hit the target often lack consistency. Sleep isn’t just about feeling rested; it’s essential for metabolic ...

New research reveals poor sleep shortens life more than diet or exercise. Psychiatrist Dr. Daniel Amen shares what happens to ...

Learn facts about sleep, during which the body rests, recuperates and performs essential repairs. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

Sleep is often treated as downtime, a passive break between the real business of being awake. But a new study has revealed that sleep is active, essential biology, showing how the brain uses the night ...

Sleep is one of life’s most universal behaviors. Despite its ubiquity, it’s also one of the most mysterious. Humans spend ...

Overthinking does not just follow you to bed. It chases your mind and takes over the night. Isn't it time to take your sleep ...

New data reveals AL ranks near the top for sleep deprivation, with close to half of adults reporting they don’t get enough ...

What are sleep paralysis demons? Sleep paralysis demons are nightmarish hallucinations that often accompany episodes of sleep paralysis. This occurs when the temporary paralysis, which is a normal ...