Buzzing in the right ear while sleeping, nothing during the day, may be due to neurogenic tinnitus, or caused by sleeping position. 1. Neurogenic tinnitus: the frequent occurrence of buzzing in the right ear while sleeping may be caused by neurogenic tinnitus, in fact, tinnitus can occur during the daytime, but this time there is more noise, the tinnitus will be covered up the sound of tinnitus. In addition to buzzing in the right ear, patients may also experience deafness, vertigo and headaches and other discomforts. 2. Sleeping position: the right side of the lying position can sometimes compress the local arteries, resulting in hearing the sound of arterial pulsation, adjust the position can generally be relieved. It is recommended that patients go to the hospital in time for examination, clear causes, under the guidance of the doctor for targeted treatment.