I researched the two types of noises to find out which one is better to play on your sound machine while sleeping.

Pink noise reduces the intensity of higher frequencies of white noise, producing a softer, lower-pitched sound similar to rain or ocean waves.

“A comfortable noise-free sleep environment reduces the likelihood that you will wake up during the night." That’s where white noise machines can help. Atwood said, “White noise is an ...

When Apple introduced the feature, there were six ambient sounds you could play on a loop: rain, stream, ocean, and bright, balanced and dark noise, which are different pitches of white noise.

White noise might help mask sudden noises that can disturb your sleep. Consumer Reports just evaluated four popular white noise machines for sound quality, ease of use and functionality.

New built-in audio is coming to your iPhone. Credit: Mashable / Canva Your iPhone has the ability to play "white noise" audio with built-in sounds that can be accessed via the Accessibility settings.