Lying down on the bed ears buzzing, clinically refers to tinnitus, generally this kind of tinnitus may have the following reasons: First, some patients have cervical spondylosis, when the patient lies down may lead to cervical spine local protrusion, compression of nerves, blood vessels lead to local blood supply is insufficient, so that the sound of tinnitus. Second, some patients have secretory otitis media, and when the patient lies down, the fluid inside the tympanic chamber moves with the tympanic membrane, inducing the sound of tinnitus in the tympanic membrane. Third, some patients have neurological tinnitus, and the sound of tinnitus may appear more obvious after the patient lies down. Fourth, some patients have cerumen in the ear canal, when the patient lies down the cerumen due to the role of gravity and the tympanic membrane, compression, stimulation of the tympanic membrane, so the sound of tinnitus appears.