How To Stop Mouth Breathing While Sleeping. A neti pot is a great tool for cleansing and refreshing the nasal passages. Also, elevate your head while you sleep using a wedge pillow or by piling more pillows under your upper body so that you can breathe.
Another way to stop mouth breathing is to exercise on a daily basis. As discussed above, when you breathe through your mouth while you slumber, the airway in your throat constricts, causing snoring.
DO CHIN STRAPS WORK TO STOP SNORING Try A Chin Strap
Avoiding sleeping on the back. Chinstrap alleviates this problem by lifting the mandible effectively.