creating a steady rushing sound similar to a fan. A 2021 study in Sleep Medicine found it can significantly improve sleep ...

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 ...

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 ...