This happened to me before whilst coming back from hyperspace, my first time vaping DMT I was coming back and I saw my friends, who were there, and my blanket all fractallized, it would fade in and out as if I was opening and closing my eyes, but when I actually came to I asked my friends and my wife if I had opened my eyes before now and they said no. Awesome. Thx for the post made me remember some of my trip!