Why you drool when you sleep? Oh, we’ve all drooled on our pillow at one point or another. But did you know that when this phenomenon occurs regularly and excessively, it can be a sign of a developing disease or some malfunction taking place in the body? We at Bright Side decided to find out what the reasons are behind drooling and how we can decrease it or stop it from happening.

Excess drooling (a.k.a. hypersalivation) can be the result of nasal congestion or even a sign of a neurological disorder. Those who’ve already had health issues, like stroke sufferers or people with multiple sclerosis, for instance, tend to drool more often and more excessively. But if your drooling isn’t medical-related, here are some ways you can stop it!

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