Drooling during sleep might seem harmless or even funny, but if it happens often, it could be a sign your body is trying to tell you something important. Occasional drooling is normal, especially when you’re in deep sleep—but if your pillow is constantly wet, it might be time to look deeper.
1. Sinus or Nasal Infections
When your nasal passages are blocked due to colds, allergies, or sinus infections, you start breathing through your mouth. This increases the chances of saliva escaping while you sleep.
