Crowdfunded projects pose a degree of risk for buyers, so be sure to do your research and fully read the seller's detailed description and production plans before plunking down your hard-earned money.
A mechanical white noise generator, aka a horizontal fan. Its pitch video is funny, but it all boils down to this: does the sound of an electric fan help you fall asleep? If it does, Snooz is for you. You can adjust its tone and volume manually or with its app.