Deep sleep refers to slow-wave sleep — a stage in the sleep cycle when brain waves slow down. Getting enough deep sleep is crucial for numerous bodily functions. But how to increase deep sleep isn’t ...

In my last post, I asked, "Are you getting enough sleep?" Today, in an effort to better understand the role of sleep in our lives, I ask a very basic question: What happens when our heads hit the ...

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 ...

Ever wonder why some mornings you wake up ready to go, and others you feel like a zombie? The difference often comes down to when you wake up during your sleep cycle, and that’s exactly what a sleep ...

Deep sleep earlier in life could be the key to keeping healthy cognition. The key to keeping your wits about you as you age may lie in shut-eye during midlife. A study found that people over 60 who ...

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.

Broadcast Retirement Network's Jeffrey Snyder discusses the impact of poor sleep on your daily mental health and cognition ...

Good Sleep is a new climate-controlled mattress topper that uses surgical-grade water-cooling technology to help users spend ...

Earlier studies have identified a relationship between sleep and Alzheimer’s disease. A new study looks in detail at sleep phases, brain changes, and Alzheimer’s disease. According to the results, ...