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.

Often used to mask unwanted sounds at night, pink noise was found to reduce REM sleep in a recent Penn sleep lab study.

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

According to new experiments, sleep machines that use pink noise could adversely affect deep sleep and REM sleep instead of ...

A 2023 research review, for example, found that, in seven out of eight studies, glycine was linked to improved sleep quality, ...

Perpetually waking up at 3 a.m.? Experts share how to address insomnia and sleep more soundly through the night.

Sound machines promise better sleep, but new research suggests they may quietly steal your REM and deep sleep.

Research shows the antioxidants in tart cherry juice can have many health benefits, including reducing inflammation and ...