Your brain cycles through several stages during sleep, and REM sleep might be the most critical. This mysterious phase, where dreams unfold and memories solidify, accounts for roughly a quarter of ...

Sign up for CNN’s Sleep, But Better newsletter series. Our seven-part guide has helpful hints to achieve better sleep. Need another reason to prioritize your sleep ...

Obstructive sleep apnea, a condition that causes lower oxygen levels during sleep, is linked to degeneration of brain regions associated with memory through damage to the brain's small blood vessels, ...

BUFFALO, N.Y. – In a health and wellness culture that reveres sleep, a popular but under-researched topic is lucid dreaming or vivid dreaming. But what exactly do those terms mean? And how might they ...

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.

What if you could experience all the benefits of dreaming—emotional healing, creativity boosts, memory processing—without ever closing your eyes? Scientists have uncovered that certain psychedelics ...

People report vivid dreams during rapid-eye-movement sleep. But is this sleep stage really the only time we dream? When you purchase through links on our site, we may earn an affiliate commission.

Success isn’t just about strategy and execution — quality sleep fuels energy, decision-making and emotional stability. These six simple sleep habits will help you perform at your best every day.

Now that we have wearables tracking our every move, a lot of us can look at stats that supposedly tell us how well we’ve slept the night before. But sometimes, it can feel like your sleep tracker is ...