Sleeping on the nose is a symptom of nasal congestion, and position related to nasal polyps, nasal foreign body, adenoid hypertrophy and so on. 1. Nasal polyps: the symptoms of nasal polyps include nasal congestion and runny nose. When nasal polyps are small, nasal congestion may be related to body position. 2. Nasal foreign body: If the nasal foreign body is not cleared in time, it will cause the nasal blockage and lead to the nose not being able to breathe, which is mostly seen in children, because the children’s sense of autonomy is relatively poor, and parents should pay attention to the observation. 3. Adenoid hypertrophy: mostly seen in children, because children are still in the stage of growth and development, such as adenoid overgrowth leading to nasal blockage will also be manifested in the sleep of the nose is not ventilated. There are many reasons for the lack of air in the nose, so it is recommended that the patient go to the hospital and get a clear diagnosis after a systematic examination by a professional doctor.