Patients appear to sleep on the nose blocked symptoms performance, the specific reasons are as follows: 1, inflammation: patients often because the nasal cavity, sinus region there is a certain degree of inflammatory infectious, allergic disease conditions, the patient’s nasal mucosa presents a certain degree of congestion, swelling, edema state. When the body is upright during the day, the degree of nasal congestion may be relatively light, and at night when the body is lying down, the congestion, swelling and edema of the nasal mucosa will be more likely to aggravate, resulting in nasal congestion symptoms are also likely to become more obvious. 2, nasal septum obvious deviation, abnormal hyperplasia: some patients may also be combined with the nasal septum obvious deviation, polyps and other abnormal hyperplasia in the nasal tract, when necessary If necessary, nasal endoscopy and nasal imaging examination are needed to determine the condition.