Sleep Cycles: One rapid eye movement (REM) stage and three non-REM stages that altogether last about 90 to 120 minutes Benefits: Physical and mental recuperation and memory consolidation Disorders: ...

This article was featured in the One Story to Read Today newsletter. Sign up for it here. I like to tell people that the night before I stopped sleeping, I slept. Not only that: I slept well. Years ...

The pillow is cold against your cheek. Your upstairs neighbor creaks across the ceiling. You close your eyes; shadows and light dance across your vision. A cat sniffs at a piece of cheese. Dots fall ...

Add Yahoo as a preferred source to see more of our stories on Google. What happens when we are ‘zoned out’ Image by Canva A new study is shedding light on the process that occurs in our brain when we ...

Sign up for CNN’s Sleep, But Better newsletter series. Our seven-part guide has helpful hints to achieve better sleep. When jolted awake by the blare of an alarm ...

Why sleep is so important and how you can ensure a good night's rest. Sleep has a public relations problem in the U.S. "We really view it as a luxury; we view people who like to sleep or get a lot of ...

Pink noise—often used to promote sleep—may reduce restorative REM sleep and interfere with sleep recovery. In contrast, earplugs were found to be significantly more effective in protecting sleep ...

Neuroscientists studying the shifts between sleep and awareness are finding many liminal states, which could help explain the disorders that can result when sleep transitions go wrong Yasemin ...

A good resolution for the new year is to cut down on the extra cups of coffee later in the day. Experts recommend having your last cup of coffee around noon or 8 hours before sleep. However, it ...

You might be tempted to sleep in after a late night—but scientists have found that it’s better for your brain and heart health to stick to your regular schedule. The key to better sleep may not be ...