Love it!

At noisy hotel with no a/c sounds and the cheap fan I brought conked out! Hubby couldnt sleep, so I put Sleepy Fan on for 90 minutes - out like a light instantly, and when the 90 minutes were over, he was in such a deep sleep, he didnt notice the "fan" was off!

333catnite about Sleep Better Fan ~ White Noise, v1.1