When we are asleep many of us tend to drool. The phenomenon when excess saliva comes out of our mouth refers to as drooling. However drooling can be a very common thing but it can be a medical condition. It can point towards an underlying health condition such as a sleeping disorder or neurological condition. This condition can either be temporary or chronic. The medical terms of drooling are hypersalivation or sialorrhea. When our salivary glands produce saliva in excess it is known as hypersalivation. But we should all know about the causes of drooling. Position of sleeping The sleeping