Excess drooling or hypersalivation can be a sign of a neurological disease or the result of nasal congestion. Also, people who already had issues with health, like a stroke, tend to drool more often and more excessively. One of the main reasons for drooling is a blocked nose, which makes a person breathe through their mouth and may lead to drooling. Cleaning and unblocking nasal sinuses could be a good way out of having a wet pillow every night. Here are some ways that can help unclog your sinuses: