The child sleep biting squeaky teeth may be caused by tension and anxiety, teeth bite incoordination, indigestion and other reasons. 1. Nervousness and anxiety: emotional tension, ideological stress, too excited during the day, etc., may lead to the child in the sleep, there is still part of the cerebral cortex in the state of excitement, chewing muscle contraction, the child sleep biting and squeaking and so on. 2. Uncoordinated dental occlusion: In the process of children’s upper and lower jaw development, there may be teeth misalignment, defects and so on. This may cause the teeth to bite uncoordinated, upper and lower teeth can not match and other conditions. In sleep, this subconscious idea may cause the contraction of chewing muscles, appearing children sleep bite teeth squeaking situation 3. Indigestion: Eating too much before your child goes to bed may cause indigestion. When indigestion occurs, bacteria in the intestines secrete toxins that may stimulate the cerebral cortex, causing the child to clench his or her teeth in his or her sleep. Parents are advised to go to the hospital to find out the cause of the problem and follow the doctor’s instructions when their child is suffering from squeaky teeth.