Drooling during sleep is common, especially in children and during certain sleep positions. However, if you’re an adult and it happens frequently, suddenly, or in large amounts, it could be your body’s way of signaling an underlying health issueWhile occasional drooling is normal, persistent drooling—especially when accompanied by other symptoms—should not be ignored. Here’s what you need to know.The case shared in the original text is a real red flag. When drooling is consistently on one side and accompanied by other subtle signs (like slightly slurred speech, mild facial asymmetry, or unexplained fatigue), it can indicate transient ischemic attacks (TIAs) or early cerebrovascular blockage.

Early detection can prevent a major stroke.Why: Weakness or paralysis on one side of the face can impair the ability to seal the lips and swallow saliva effectively.Signs: Drooping on one side of the face, difficulty closing one eye, asymmetrical smile, slurred speech.Gastroesophageal Reflux Disease (GERD) Why: Stomach acid traveling up the esophagus can trigger a reflex increase in saliva production as the body tries to neutralize the acid. Signs: Heartburn, acid taste in the mouth, nighttime coughing, chest discomfort.