https://goldencondor.org/tinnitus-911-does-it-work/

And relaxation and stress relief are very important in trying to reduce tinnitus because one of the underlying causes of tinnitus is stress. And stress relief is doubly important because it can put you into a vicious stress - tinnitus 911 cycle, e.g. stress causes tinnitus, tinnitus causes you more stress, more stress leads to worse tinnitus, and so on. So stress and anxiety relief is an important part of treating your tinnitus.

https://goldencondor.org/tinnitus-911-does-it-work/