When asleep the muscles in your mouth and pharynx relax restricting the passage of air the soft palate then vibrates noisily which is called snoring snoring is worse in the following situations overweight fatigue blocked nose alcohol and smoking tobacco quies anti snoring lozenges allows a large diffusion in quantity of the effective agent xanthan gum a natural plant extract to provide a mechanical lubricating action that helps limit sound vibrations in the soft palate the slow