Stress can sometimes be a cause for Sonus Complete, and it definitely can make it worse. The depression related to suffering from Sonus Complete, can be worse than the Sonus Complete itself. So, smile and read on! There is some Sonus Complete help out there! Don't let Sonus Complete control your life. Yeah, I know it can be constant and debilitating...I know the ringing, hissing noise makes you feel insane and mad. But, when you let it control you, you are doing even more damage and suffering to yourself. There is Sonus Complete help.