Baby sleep with whirring sound more causes, such as improper sleep position, respiratory tract infection, laryngeal cartilage dysplasia, adenoid hypertrophy and other causes of poor ventilation. 1. Improper sleep position, the baby’s head tilted forward during sleep, poor breathing caused by whistling sound, change the baby’s sleep position will improve the symptoms. 2. Respiratory tract infections, such as acute upper respiratory tract infections, acute laryngitis and other diseases, resulting in respiratory tract blockage, there will be whistling sound when sleeping. 3. Congenital laryngeal cartilage dysplasia, there will be whistling sound during sleep, need to supplement vitamin D to improve the symptoms. 4. Adenoid hypertrophy, enlarged adenoids block the airway, the baby can appear sleep snoring sound, often accompanied by open-mouth breathing. 5. Other diseases lead to poor ventilation, such as nasal developmental deformities, sinusitis and other diseases. The baby sleeps with a whirring sound, there may be other causes, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment, the above medication as prescribed by the doctor.