Saliva on the pillow to avoid

Saliva on the pillow: why it happens and how to avoid it What is saliva and what is it for Saliva is an essential liquid produced by the salivary glands. It serves to lubricate the mouth, start digestion and protect teeth and gums. During the day, constant swallowing prevents it from accumulating. At night, however, the mechanism slows down. Why saliva comes out during sleep When we sleep, our muscles relax. If the mouth remains open, saliva can…