The symptoms of tinnitus occurring in patients while sleeping are due to the following reasons: 1. Neurological tinnitus: The occurrence of tinnitus symptoms may often be related to long-term exposure to a noisy environment, or to insufficient blood supply to the inner ear microcirculation caused by excessive use of headphones, ageing and other factors, and the degeneration of inner ear function, etc. 2. Other factors: Some patients may have excessive mental or emotional tension or anxiety, or recent Insufficient sleep, irregular work and rest, repeated fatigue, staying up late, and other factors may trigger tinnitus symptoms. If the tinnitus symptoms do not improve, you need to go to the hospital in a timely manner to improve the examination of the degree of patency of the ear canal and the examination of the audiological function. Some patients may also suffer from sudden deafness and need to take appropriate treatment and improvement measures according to the specific examination results.