This can help flush germs or irritants from your nose, throat and mouth —but it can also make it more likely that you drool during your sleep, says Dr. Thomas Michael Kilkenny, director of ...

In addition to drooling in your sleep, nasal congestion can cause a runny nose, sore throat, sinus pressure, and coughing. Gastroesophageal reflux disease (GERD) causes stomach acid to flow back ...