I have experienced hovering figures only during a couple of sleep paralysis episodes but that was a long time ago. I don't usually get nightmares but whenever I do, I'm lying straight on my back. I avoid this sleeping position but sometimes I deliberately sleep that way just to check if my ghosts are still there. 🤣

During my final year in university, I had a Computer Architecture course taught by a professor who was a MIT graduate and was a genuis but his teaching method was not something an average student could grasp, even the toppers would struggle sometimes in his exams.

I remember fidgeting in my dreams for a week after the exam. Instead of human figures, data, memory and instruction registers hovered over me. My mind was stuck on a problem that I couldn't solve in the exam and my brain decided to solve it in my dreams. It sounds funny now but I couldn't sleep properly for a long time. The only thing that helped was not thinking about the subject in the waking hours. Thankfully, it was the final exam. I didn't have to deal with it anymore anyway.