Marketed as a ticket to deeper sleep, the soft hum of pink noise has become part of millions’ nightly routines. However, its use may come at the cost of sleep quality, a University of Pennsylvania ...

Pink noise includes several naturally occurring sounds, such as rainfall, wind and rustling leaves.

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

For many years, the idea that “sleeping on it” would provide an individual with some time in which their subconscious mind ...

Color us surprised. Plenty of people use apps and ambient sound machines to reduce clamor and improve their sleep — but not all noise is created equal. In fact, new research suggests that a particular ...

Pink noise, a staticky sound that’s supposed to help people fall asleep, may actually worsen your rest, a new study found.

Pink noise—often used to promote sleep—may reduce restorative REM sleep and interfere with sleep recovery. In contrast, ...

If you’re looking to get the best night’s sleep in 2026, then you need to be focusing on your REM sleep. I’ve been testing a Luna smart ring for the past few weeks, and its sleep features have been my ...

REM stands for rapid eye movement — a stage in the sleep cycle when your brain is almost as active as when you’re awake. Getting enough REM sleep is crucial, as it helps you store information and ...

One study suggests that taking longer to reach the rapid eye movement (REM) stage of sleep is associated with biomarkers of Alzheimer’s disease. The delay in getting to REM might be useful in ...