I used to experience same things after I lose consciousness (happened a lot when I was a teenager). I remember one case, when upon gaining consciousness I was p

I used to experience same things after I lose consciousness (happened a lot when I was a teenager). I remember one case, when upon gaining consciousness I was pondering for a whole minute what kind of strange metal columns I see on a horizon. After what felt like a mountain of memories falling onto me, I realized that I'm lying on a floor of a lecture hall, and these columns are just chair legs.