✔ RECOMMENDED BY HEALTH EXPERTS: On Oprah show just search in "Ask Oprah - how to stop snoring?" in google search and WEBMD, just search “Webmd Sleep Apnea Tennis Ball” in google. (*TENNIS BALL is NOT INCLUDED, please purchase separately) ✔ SIMPLE SOLUTION: People all over the world say they have used this "snore no more" trick effectively to help them stop snoring and sleep better! ✔ HOW IT WORKS? Research shows that 80-85% of snorers only snore while sleeping on their backs. Stop Snoring Shirt assures that your sleeping position is either on your side or stomach. By adjusting your sleep position, it assures that your soft palate does not block the airway and can eliminate or substantially reduce snoring!