Four-year-old baby sleep grinding teeth at night may be related to too much diet, lack of nutrients, parasitic infection and other reasons.
1. Eating too much: when the baby eats too much for dinner, it is easy to sleep with a lot of undigested food in the stomach and intestines, leading to the continuous work of the digestive system and causing teeth grinding in sleep.
2. Lack of nutrients: when the body lacks calcium and other nutrients, it can lead to teeth grinding in sleep at night, and there may also be night sweats, night terrors and other symptoms.
3. Parasitic infection: when the baby intestinal roundworm and other parasites, can also lead to teeth grinding.
In addition, the baby before bedtime strenuous exercise can also appear in the night sleep teeth grinding symptoms. When the baby sleep grinding teeth accompanied by other abnormal symptoms, should promptly seek medical attention.