4. Deviated Septum
A deviated nasal septum can block airflow, causing mouth breathing and potential drooling during sleep. The septum is a thin wall of cartilage that separates your naval cavities. If this wall of cartilage is at all off-center, it can cause some issues with breathing, particularly at night time. There are surgeries to fix this, however, it is important to speak to your healthcare provider to determine if this is right for you.