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Waking up to a damp pillow is more common than you think. For many, drooling during sleep is just a harmless quirk — maybe you slept on your side, had a long day, or simply relaxed too deeply. But if it happens frequently, excessively, or out of the blue, it could be more than just a messy night.
Persistent nighttime drooling — medically known as sialorrhea — can be a silent warning sign of an underlying health condition. While occasional drooling is normal, chronic drooling deserves attention — especially when paired with other symptoms.
