Last night when I put out the light to go to sleep, it has never, never happened that behind my eyelids the senario to be total black, but last night it was so black that I have never seen so black colore Before??!! I was so surprised but curious so I was still and focused and observed. Soon started to come silversch light shapes. It did be like this for sure 3 minutes, then it Went to the normal as it usually are behind my eyelids.....thoughts?? anyone know what this is??