A 2017 study found that broadband sound (aka white noise) played at 46 decibels reduced the amount of time it took for participants to fall asleep by 38% and improved overall sleep quality.

A 2017 study found that broadband sound (aka white noise) played at 46 decibels reduced the amount of time it took for participants to fall asleep by 38% and improved overall sleep quality.

For some people, the grainy static sound you hear in white noise can improve sleep. It helps by masking the background noise and tuning it out. One recent study found that 38% of people fell ...

The best white noise machines help drown out distractions with relaxing sounds and promote better sleep. These are our top picks, from Hatch to Magicteam.