Some people on here have experienced that when having the flu/cold. The T cant be heard or lessens to a low level. Strange how it all works this T game.
Tinnitus Talk Support Forum
Quietness is always a good indicator. 
Plug your ears (with fingers) when you sneeze or cough. Sneezing can be 90db plus.
Plug your ears (with fingers) when you sneeze or cough. Sneezing can be 90db plus.