Sinusitis affects sleep mainly due to multiple reasons such as stimulation by infectious factors, mechanical blockage, and psychological factors. 1. Stimulation of infectious factors: sinusitis is mostly caused by bacteria, fungi and other infections, easy to stimulate the nervous system due to toxins, disorders occur, increasing the incidence of insomnia. 2. Mechanical blockage: the local inflammatory stimulation caused by sinusitis will cause swelling of the nasal mucosa, affecting the smoothness of the airway, resulting in tissue hypoxia, headache, dizziness, etc., affecting sleep. 3. Psychological factors: the symptoms of sinusitis have an adverse effect on the patient’s life and work, which in turn produces anxiety, depression and other negative emotions, which will adversely affect the patient’s sleep quality. Therefore, if the patient has sinusitis, must go to the hospital in time for systematic examination, clear cause and condition after standardized treatment.