Coughing in the middle of the night in children is usually caused by gastroesophageal reflux (GERD), allergies, and upper respiratory tract infections. 1. Gastroesophageal reflux (GERD): A child’s cough in the middle of the night may be caused by gastroesophageal reflux (GERD) due to overeating, and is usually accompanied by acid reflux, heartburn, nausea, vomiting, and other symptoms. 2. Allergy: If a child is allergic to allergens, a cough in the middle of the night may occur. 3. Upper respiratory tract infections: Children with a cough in the middle of the night with a runny nose, sneezing, fever and other symptoms may also be due to upper respiratory tract infections and other conditions. Children coughing in the middle of the night may also have other reasons, it is recommended to go to the hospital in time, complete the examination, with the help of the doctor to clarify the cause of the disease, to give targeted treatment or treatment.