Mouth TapeNew to mouth taping? Youre not alone. Mouth taping is a simple, gentle habit that helps train your body to breathe through your nose while you sleep. Why is breathing through your nose (and not your mouth) so important? Because breathing through your mouth overnight can quietly mess with your sleep quality, your oral health, and even how much oxygen your brain receives during the eight hours you are asleep. If you wake up with a dry mouth, find