A 2021 study in Sleep Medicine found it can significantly improve sleep quality in noisy environments. Brown noise generates ...

This contains all frequencies in equal measure that sound like a heavy waterfall or high fan to help get a nice, solid sleep. Pink noise, like ocean waves or steady rain without thunder and wind ...

certified sleep science coach with Sleep Advisor. ‘Sound combinations can include sounds like rain, ocean waves, forest ambiance, or gentle instrumental music, so long as they provide a relaxed state ...

Maybe you even use pink noise, like the gentle crash of ocean waves against the shore, to get to sleep. But there's another frequency to try: brown noise, also called Brownian noise or red noise ...