Medically reviewed by Sohaib Imtiaz, MD Key Takeaways Deep sleep is essential for health, making up 20% to 25% of total sleep time.Not getting enough deep sleep can raise the risk of problems like ...

Though it might seem like the question "How much sleep do you need" gets a new answer every other week, the The National Sleep Foundation says its new chart breaks the question down like never before.

Medically reviewed by Smita Patel, DO Most adults need 7-9 hours of sleep for optimal recovery. During deep sleep, your body ...

Sleep is a biological necessity, not a luxury, and getting 7–8 hours of consistent, high-quality night-time sleep is crucial ...

The question of how much sleep children need is one that is not easy to answer. Professional organizations have recommended guidelines which include ranges for different age groups. For example, the ...

Sleep is so important to overall health and wellness. But along with getting enough sleep, it's also important to get good quality sleep. How much sleep you need depends on different factors, but ...

Everything you need to know about REM sleep, including what it is and how much you need ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Sleep may be the foundation of health, but there’s a lot of confusion around it. How much to get? How to ...

While many articles reference common experiences like exhaustion, work-life balance, and health challenges when addressing ...

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