Darling does not cough during the day how to do badly at night cough

Baby does not cough during the day, cough severely at night, considering that the baby's immunity is low, and the night temperature is low, baby inhales cold air caused, recent attention to control indoor temperature, try to maintain a warm and comfortable temperature, and baby cough can gently pat the baby's back, usually can boil some pear soup or honey radish soup for baby to drink.