The ringing of the eardrum is generally caused by its own sense of crisis. Before the nightmare comes, your brain has realized some kind of danger and issued a warning. Just like the feeling when you close your eyes and the needle tip is close to you, the eardrum and muscles will tremble, but when we are awake, the feeling is not so clear, so the vibration of the eardrum will not hurt your eardrum.
In the case of nightmares, it should be noted that your posture during sleep causes your breathing or other oppression, and the brain can't wake you up from sleep because of such oppression, so it will give you a warning to remind you that you are in crisis. Therefore, you must find a comfortable posture before going to bed, such as prone, so that one leg and body occupy a large area of the bed. This will be very comfortable.
Scientifically speaking, you really need to keep strong, eat more vegetables and keep up with nutrition. If you are healthy, you are not afraid of what will bother you.
I slept on my stomach for a long time, very comfortable and didn't have nightmares. I'm worried about one thing. After I get married, do I have to find an oversized bed to sleep two people?