White Noise Sleep Machine A podcast by White Noise Sleep Machine 4 Episodes Pink Noise - Stereo - 10 Hours Published: 6/15/2022 Pink Noise - MONO - 8 Hours Published: 6/14/2022 Brown Noise - MONO - 8 Hours Published: 6/13/2022 Brown Noise - Stereo - 10 Hours Published: 6/13/2022 1 / 1 Sounds that put you to sleep.