Tinnitus at night is not necessarily a precursor to sudden death, but staying up late at night is an undesirable lifestyle. Staying up late at night leads to sympathetic nerve excitation, the body does not get enough rest, there may be functional tinnitus, dizziness, fatigue, mental lethargy, easy to induce cardiovascular and cerebrovascular diseases. Tinnitus is a symptom, a warning signal of the body’s discomfort. Tinnitus itself does not cause sudden death. Staying up late may induce cardiovascular and cerebrovascular events, which can be life-threatening in severe cases. For example, cardiovascular and cerebrovascular underlying diseases, cerebral atherosclerosis, coronary artery insufficiency, hypertension, the risk of its disease will be significantly increased by staying up late. When the symptom of tinnitus at night occurs frequently, it is recommended to seek medical attention in time. It is recommended to have a regular work and rest schedule and not to stay up late if not necessary.