in reply to@bram7747 How interesting that you posted this comment, because I was just thinking a few days ago about an incident that happened to me as a kid. I had found an old rifle while out having fun with my friends, and I got this idea that I would put caps in the gun and "pretend" to fire it. Well, fire it I did, and from that moment I began having severe ringing in my left ear, hearing all kinds of strange sounds, which continue to this day. My left ear was severely damaged to the point now that a hearing aid would be of no use to me, so I only wear one on my right ear. Over time the noises I would often hear abated, but I struggled to sleep as a kid, always thinking I was hearing loud trucks and trains, even though we lived in a quiet neighborhood. I had thought about posting this experience, but was afraid to do so out of vanity, for lack of a better word.
Good luck. I still hear an occasional weird "noise" and sometimes this noise keeps me up at night, like tonight.
Have you seen a good audiologist yet? The "good" ones can be very helpful.
Best of luck.