Your view (and variations of it) are shared by many in the UFO field.
That group includes Jacques Vallee and Laura Knight-Jadczyk.
Their books on the topic:
https://www.amazon.com/Passport-Magonia-Folklore-Parallel-Worlds/dp/0809237962
IF one believes the Bible, Daniel chapter five is all ine need read to realize there are spacetime coordinate systems just out of our field of sensory perception. The being writing on the wall in palace party central had a body not registering in the palace partiers’ perception while the hand from same was reaching into their visual field.