睡觉的时候流口水,可能是睡觉姿势不当引起的,如趴在桌子上睡、侧卧位睡觉,都容易引起流口水。但如果长期如此,则可能是一些身体疾病导致的,需要引起注意。口腔卫生不良口腔里的温度和湿度最适合细菌的繁殖,牙缝和牙面上的食物残渣或糖类物质的积存,容易发生龋齿、牙周病。 Drooling when sleeping may be caused by improper sleeping position, such as lying on the table to sleep, sleeping in the lateral position, are likely to cause drooling. However, if this is the case in the long term, it may be caused by some body diseases and needs attention. Poor oral hygiene Temperature and humidity in the mouth are best suited for bacterial growth, accumulation of food debris or sugars on the teeth and teeth, and dental caries and periodontal disease are prone to occur.