There are several things to look out for when your baby wakes up with a cough in the morning: First, the most common one is probably a cough caused by a cold that is localized when the baby sleeps at night. Second, pay attention to whether the child itself has gastroesophageal reflux disease, and has varying degrees of gastroesophageal reflux while sleeping, which irritates the throat and causes coughing. Third, pay attention to allergic factors. If the baby is allergic, contact with allergens or cooler air stimulation after waking up may also cause a sensitive cough. Fourth, pay attention to the fact that the child may itself have chronic rhinitis, sinusitis, recurrent respiratory infections, bronchial asthma and other underlying diseases, and it is also relatively common for the cough to appear easily in the morning.