I have not learned anything new. Do know that the sensation, in varying forms, is experienced by numerous people with no common cause linking them. Fortunately they are often a little annoying but, as far as I can tell, harmless. I still have mine every single day and just know if they are occurring I am about to fall asleep or will go away once I open my eyes. I hope yours are the same. So my take away is not to focus on them and they may reduce in intensity to the point you don't even notice them anymore.