But how do sleep cycles work? To find out, I took part in a polysomnography. This is a gold standard sleep study that helps ...

However, some research shows that major stressors may increase REM sleep but reduce deep sleep. REM rebound, which is when we ...

A new study reveals how the brain reprocesses and refines memories during sleep, particularly those related to spatial ...

More people are becoming obsessed with sleep trackers, causing insomnia and making sleep worse, experts say. Here’s how to tell if you have a problem.

Most people spend a third of their lives sleeping, but you may need more or less than eight hours a night. The amount of ...

Done wisely, naps can be a valuable way to boost your focus and energy. A sleep researcher explains how to get it right.

Researchers question whether poor sleep may play a role in the progression of CKM syndrome, a complex heart and ...

In this episode of The Breakdown, host Brad Montgomery sits down with Dr. Omavi Bailey to explore the science and psychology ...

When you take longer to fall asleep, this can affect your sleep quality and you may feel sluggish the next day because you ...

Why is sleep so important for learning and memory? Neuroscientists from the Csicsvari group at the Institute of Science and Technology Austria (ISTA) provided new insight into this essential function ...

Sara Moniuszko is a health and lifestyle reporter at CBSNews.com. Previously, she wrote for USA Today, where she was selected to help launch the newspaper's wellness vertical. She now covers ...

Sign up for CNN’s Sleep, But Better newsletter series. Our seven-part guide has helpful hints to achieve better sleep. I’m captivated by my new personal health ...