The secret is the soothing sound of white noise. Sleep Easy? sound therapy naturally re-creates the calming sound of moving air to block out disturbing background noises and create a relaxed, comforting environment so you can fall asleep and stay asleep. Great for restless sleepers, babies' rooms, and more. Simply plug it in and turn it on. Volume and tone are fully adjustable to your exact needs and pleasure. Compact design conveniently sits on night stands or desktops. - If the motor sounds like there is something wrong with the machine, you can open the bottom and try to tighten the fan blade. - The white noise sounds are too quiet to mask any if the surrounding background noises making it useless for us. Troubleshooting: Please try to raising the volume by turning the top. Keep in mind that this is a sleep sound machine that is a low volume sound to make it easier to sleep and it is not meant to emit high volume sounds. - Great for restful nights sleep, babies' rooms, concentration or confidential conversations - Fully adjustable tone and volume - Creates an ideal environment for restful sleep - Soothing sound of moving air blocks disturbing background noises - Sound machine creates natural white noise