Sleeping with ear pain can be caused by too much pressure, otitis externa and other reasons. 1. too much pressure: long time fixed sleeping position pressure ear, resulting in local blood circulation is not good stimulation of sensory nerves, caused by sleeping with ear pain. 2. otitis externa: otitis externa refers to diffuse inflammation of the skin of the external auditory canal, due to inflammation stimulation, resulting in local tissue congestion, edema, there will be a sleeping pressure on the ear resulting in ear pain. If the long time ear pain patients, should go to the regular hospital in time, identify the cause of the disease, under the guidance of professional doctors to take targeted treatment.