Let's talk about the six benefits of mouth taping. Number one, mouth taping leads to nose breathing, which activates your relaxation response. This leads to better sleep. Number two, better oral health. By avoiding mouth breathing, you avoid a lot of the issues with cavities and gum disease that come from it. Number three, it stops snoring. Many people are surprised to learn that the leading cause of snoring isn't open mouth breath. Number four, it boosts your immune system as your nose catches

23 Causes of Snoring (and How to Stop)

Snoring and Sleep