A lot of people who mouth-breathe at night (or even during the day) are told some version of: “Just breathe through your nose.” That advice only works if you can breathe through your nose. For many patients, mouth breathing is a compensation for true nasal obstruction (allergies, chronic rhinitis, deviated septum, nasal valve collapse, chronic … Continue reading Nasal Obstruction vs Habit: How to Tell If You Can Actually Breathe Through Your Nose