"The average adult has 22 square feet of skin. Perfect size for a nice rug."
"Your brain likes stimulation, if it doesn't get any it will make some up, some people are more sucepticle to it then others, the colors you see before you fall asleep are a common mild occurrence, there are several classes of these hallucinations, closed-eye visuals, which are caused by leaving your eyes closed for a long time, hypnagogia, which is caused by the onset of sleep, prisoners cinema, which is caused by looking into a dark place for a long time, ganzfeld effect, which is caused by blocking out all external stimuli, and Charles bonnet syndrome, caused by sight loss."
"Most are these are simple phosphenes but some can be whole imagined scenes, or more abstract fractal-like imagery"
I always look a those fact threads for the debunking below