We all know that sleep is important, and most of us probably aspire to get more of it each night. But how much sleep does the average person really need to maintain health? Do we actually need eight ...

Sleeping five hours for one night might lead to short-term cognitive changes, but making it a habit can have serious health effects. Sleep is essential for good physical and mental health, but many ...

If you're looking for a way to improve your sleep quality, you may want to consider this natural aid (gamma-aminobutyric). Find out how it works and whether it's the right fit for you. McKenzie, a ...

Sleeping for 7 to 9 hours at night isn't the only way to catch some z's. Here are four alternative sleep cycles -- and they're pretty obscure. Annie Miller Medical Reviewer Annie Miller is a licensed ...

How often have you laid in bed scrolling through news stories, social media or responding to a text? After staring at the screen, have you ever found that it is harder to fall asleep? It’s widely ...

This article is a part of CNN Underscored’s Guide to Sleep, a weeklong focus on everything you need to sleep better. We’ll be featuring new products, tips and exclusive deals all week, so check in ...

Sign up for Life Kit's Guide to Better Sleep, a limited-run newsletter series. Over the course of a week, we'll send you science-backed strategies to help you sleep ...

You may remember little to nothing when you wake up, but there’s a lot going on while you sleep. You just spent the previous seven to nine hours moving through a highly structured cycle of sleep ...

Like many people, historian A. Roger Ekirch thought that sleep was a biological constant – that eight hours of rest a night never really varied over time and place. But while researching nocturnal ...

Sleep is essential for good physical and mental health, but many Americans don't get enough of it. Even if we know we need more rest, the demands of modern life often get in the way. Between work, ...