How does 3 year old half child cough often at night to do

Children often cough at night, need to pay attention to keep warm at night, keep indoor air temperature and humidity appropriate, before going to bed can be appropriate oral Chuanbei Loquat Lotion, give the baby more water. Cough serious, can use ambroxol, budesonide aerosol inhalation, so as to cough and phlegm.