If this is a symptom of childhood, it may be a normal physiological manifestation, as long as there is no obvious discomfort and the teeth are not worn down due to repeated grinding, it is generally not necessary to deal with it. This situation can also be seen in the parasitic disease caused, if accompanied by symptoms of abdominal discomfort, you need to go to the hospital in a timely manner to do stool routine and other related checks to clarify, if the symptoms are caused by parasitic infection, you need to timely deworming treatment. Adults who have symptoms of teeth grinding at night, most of them are caused by excessive fatigue or mental tension, so pay attention to improving sleep quality and relieving psychological stress.