REM stands for Rapid Eye Movement and it’s seen as the deepest stage of the sleep cycle. As the name states, REM sleep is ...

Light sleep is the beginning of your sleep cycle and your body's way of winding down. Breathing, heart rate and muscle changes prepare your body for the deeper sleep to come. Light sleep is broken ...

Sleep is something we all do every day, yet it’s surprisingly complex and full of mystery. While it may feel like nothing ...

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.

Researchers at the University of Lausanne have identified a novel role for the brain's 'locus coeruleus' in sleep and its disruptions. This brain region facilitates the transition between NREM and REM ...

People who take longer to get to the dreaming part of the sleep cycle are more likely to develop dementia, a new study suggests. Taking longer to enter the dream phase — known as rapid eye movement or ...

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 ...

Sleep is key to brain and body function, memory, physical performance, preventing chronic disease and improving mental health ...

Stress. Anxiety. Noisy neighbors. Blanket-hogging partners. With the list of things that can disturb a person’s sleep being more of a scroll, it’s no wonder an estimated 50 to 70 million Americans are ...