There’s nothing more annoying than not being able to sleep. Anyone who has experienced even a short period of disturbed sleep ...

Sound machines may not be the sleep saviors many believe. Researchers found that pink noise significantly reduced REM sleep, while simple earplugs did a better job protecting deep, restorative sleep ...

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 ...

Pink noise — low-frequency broadband noise often used in sound machines and sleep apps — is associated with a decrease in REM ...

"I have to get my deep REM sleep," expresses a common confusion about two very different types of sleep. Deep sleep and rapid eye movement (REM) sleep are not the same; they do not even overlap. They ...

Health experts at one of the world's leading institutions have shed light on how understanding one aspect of sleep can ...

REM, also known as Rapid Eye Movement is where most dreaming occurs, brain activity increases, and the body becomes ...

Like many Americans, I know I need more sleep. I'm a night owl, often writing late into the night, but also a mom who gets up early with her kids. The result: I'm not getting enough rest.

Sound machines and “sleep sounds” are often marketed as a cure for restless nights, but new research suggests they may ...

Sleep is the body’s natural healer. When circadian rhythm breaks, immunity, mood, and metabolism suffer—yoga and breathwork ...

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 ...

When you wake in the middle of the night and then fall asleep again, the body briefly shifts out of its normal sleep ...