Patient's question:
For some reason recently, I've noticed that my baby tends to sleep with their mouth open. Is this normal? How can I correct it? Could experts please explain what's going on?Doctor's answer:
When the baby sleeps with their mouth open, the mother can get close to the baby to listen and determine whether they are breathing through their nose or mouth. Alternatively, the mother can use her hand to check. If the baby is breathing through their mouth, it's not good. Sleeping with the mouth open is due to poor nasal airflow, forcing the child to breathe through their mouth. The nasal cavity has cilia that move and can expel microorganisms and dust inhaled with the air. The nasal cavity also contains paranasal sinuses that warm the inhaled air. Breathing through the mouth deprives the child of this protective mechanism, making them more susceptible to illness.