Is Drooling a Sign of Sleep Apnea?

Whether they admit it or not, millions of people drool while they sleep. Some do it every time they close their eyes, and for others, it only happens if they’re dealing with a cold. However, for a small and unlucky group, it could be a sign of sleep apnea. If you or a loved one regularly drools each night, how can you tell whether it’s innocuous or a sign of a serious sleep disorder?