Just went on a Wikipedia rabbit hole search trying to understand a type of abstract day dream I am able to induce in which phosphenes and other closed eye visualizations are interpreted erroneously by my mind to be certain objects and beings and then morph into other objects and beings as my mind attempts to correct the interpretation. I have tried to WILL visual interpretations (as in lucid dreaming) but with only limited success. No drugs or alcohol used in this matter, just lying down with closed eyes, relaxed meditative state, close to a sleep mode but not falling asleep. Other terms in my search: Ganzfield effect, form constant, hypnagogia, prisoner's cinema, entoptic phenomenon, blue-sky sprites.