SoundMasker
Press play to start the sound
Open office A soft start: brown noise, rain, a forest brook, and a few birds. Save it to keep your own version.

Speech noise 64

EqualizerLow to high

Fan 16

Real room fans, recorded running. A steady rush of air, the most common sleep sound there is.

Murmur 34

Restaurant chatter recorded far enough away that you cannot follow the words. Covers speech without becoming a conversation.