Most of us should have encountered drooling in our sleep, but who can realize that it is a hint of a disease? If once in a while there is drooling in bed, there is no big problem, but frequently, you need to be careful, probably related to the following pathologies: 1, and spleen and stomach disorders, the spleen and stomach motor function is weakened, water and dampness stay, spleen and stomach damp heat or stomach food storage decline, stomach heat up steam, that is, the so-called “stomach and not lying restless” At this time, it is easy to drool. 2, with the front teeth malformation, dental malformation is one of the main causes of drooling in bed, especially some patients with convex teeth, such patients should correct their teeth as soon as possible. 3, related to poor oral hygiene, if the mouth has ulcers, and pain is obvious, the stimulation of pain will promote saliva secretion, easy drooling. 4, related to neural regulation disorder, the regulation of salivary secretion is neuroreflexive. Therefore, when neuromodulation disorder occurs, it can also produce drooling during sleep. 5, related to facial neuritis or stroke, this is the most serious cause of drooling in bed, mostly in the face after the cold, wind or cold, this situation must be alert. 6, related to drug factors, after taking certain drugs, may induce neurological disorders, the brain will send the wrong signal when sleeping, causing increased saliva secretion, thus causing drooling. 7, and sleeping in the wrong position, drooling when sleeping, may be caused by improper sleeping position, such as sleeping on the table, side sleep, etc. 8, related to atherosclerosis in the elderly, atherosclerosis can lead to ischemia and hypoxia in the brain and muscles, thus causing facial muscle relaxation; plus the elderly have weakened swallowing ability, resulting in drooling in bed. If you often have the situation of drooling in bed, you should still go to the hospital in time to check to see if there is a problem with your body. Do not be indifferent to it and delay waiting, otherwise it will cause irreversible consequences.