Music, white noise and bedtime stories are often promoted as easier ways to help people sleep better. Many of these tools are found in popular sleep apps and are marketed as low-risk wellness products ...

Pink noise is different. Instead of equal energy at each frequency, the energy halves with every doubling of frequency (so ...

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 ...

Ambient sounds or pink noise - often used to promote better patterns of sleeping - may in fact reduce restorative REM sleep.