2 hours of uninterrupted fan noise on high speed.  Desktop fan in front of a window. 

Please follow my Youtube Channel for more sleep sounds:

https://www.youtube.com/channel/UC_0BSwQAjy_n_kpHEbSXrWA

The best way to experience RainManCJ:

Apple Airpods: https://amzn.to/3QlGriO

Tapvos E7 Noise Cancelling Headphones: https://amzn.to/3RGdkbf

Echo Studio: https://amzn.to/3KJz17X

Bose Soundlink Revolve https://amzn.to/3B9Kutd

Disclosure: Some of the links are affiliate links. This means that, at zero cost to you, I will earn an affiliate commission if you click through the link and finalize a purchase.