Hi edgyone.
I have what you are describing. It started when I was a young child and my parents were driving on a small one lane logging road that was cut into a cliff with no barrier on the right edge, just a sheer drop off. When another car came towards us from the opposite direction, to my young mind put us going over the edge and I freaked out. I thought we were going to go over the edge of the cliff and die.
When I was in my 20's I was unable to drive down a friends driveway because I could not see over the horizon. My rational brain went bye bye and I had to go park on the street and walk down. Now I have trouble with steep grades on the freeway, high banking curves, tall suspension bridges, and walking up to the edge of sheer cliffs. There is no chance I could ever walk on a glass floor suspended from a building or at the Grand Canyon. When I turned 50, I started a rocking motion which is diagnosed as an emotional "self-soothing movement." When I started having nightmares about
weird patterns and holes, turns out I developed Trypophobia. I was beginning to think that maybe I have a perception problem, or that I was going slowly out of my mind.
Turns out I have a creative imagination problem.
I found this out when I had a hypnosis session and it really helped. It helped me so much that I went back to school and became a hypnotherapist that specializes in this area. Turns out that we are not rare, but what we are is not well understood by doctors or even most hypnosis experts. I can now drive over the horizon with confidence that there is a road on the other side. Anxiety reducing meds help but only to a point. Hypnosis has allowed me to get off the meds.
I decided to speak on the subject at libraries and conferences and every time I do, at least 2 people come up to me and tell me that I am describing them to a tee.
I finally decided last week that I have to write a book because the information is scattered over many places but not written about
in one place like a book. Because I have this condition, (along with others), I have been studying it for about
4 years now. Hang in there. I am not sure when my book will be done because there is a lot to do, But hopefully, you will be able to look it up someday.
I did write an article on the subject which is not easy for lay people to read but if phobias are crippling you as much as they were me, you might want to give it a try. Good Luck!
[url]https://hypnozine.com/somnambulism-fears-phobias/