Rain Sounds — Free, No Loop, No Ads
Rain is the most versatile layer here: use it as the base of a sleep mix to cover sudden night noises, or on its own in the daytime to blur out distractions while you read or write.
Rain is the most requested sound for sleep and focus for a reason: it's broadband and unpredictable-feeling while actually being perfectly steady, so your brain files it away as safe background almost immediately.
Good for sleep and for studying
At night, rain masks the sharp edges — doors, traffic, a creaking floor — that would otherwise wake you. See the full sleep guide. During the day, the same steady texture blurs out distractions while you read or write. See the focus guide.