Adults spend about one-third of their lives sleeping. But sleep is more complex than many people might realize. Rather than being a single state, sleep occurs in two main forms. Rapid eye movement ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through the links below." Sleep deprivation isn’t just bad for your driving and thinking ability. During those 7 to 9 hours of ...

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 ...

Caroline Igo (she/her/hers) was a wellness editor at CNET and holds Sleep Science Coach and Stress Management certificates from the Spencer Institute. She received her bachelor's degree in creative ...

Every time Madeline publishes a story, you’ll get an alert straight to your inbox! Enter your email By clicking “Sign up”, you agree to receive emails from ...

REM (rapid eye movement) sleep is a stage of semi-deep sleep, often referred to as “paradoxical sleep,” and is "a state of sleep when brain activity shows similar patterns as being awake," says Wendy ...