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.
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.