I got a tinnitus like 6 months ago. It started with a cerumen plug that I developed on my left ear. When it was removed, a high pitch sound remained (on my case

I got a tinnitus like 6 months ago. It started with a cerumen plug that I developed on my left ear. When it was removed, a high pitch sound remained (on my case, sounds from all directions). It, only is annoying when I go to sleep. mainly because when I lie down on the bed, sometimes becomes more intense. I had a strong episode some weeks ago, where I need to take lorazepan to sleep. I think that was more strong, has I had a lot of pressure on my job (aka I was more stressed)... I find very helpful using my phone to put some background noise (raining. noise from mynoise.net). Some times, I use a Bluetooth sleeping ear plugs. Actually I'm taking some (receted by my doctor) pills that looks that it's helping a bit, and doing some exercises to teach to my brain to ignore it.