coma-vision

These are a few questions that to this point cannot be answered but are somethings that have been rummaging through my mind for years. Are we really seeing what we think we are? Could it be that we drift through our "lives" in what could actually be a deeper form of sleep. Maybe we are in a coma-like state that only ends when we "die". Maybe what we think we see and think we touch are actually just a similar form of a deep sleep. We are in a life long R.E.M. that gets so intense that we can actually imagine the objects so vividly that they become real enough to believe? Could it be that we are actually beings that do not really feel anything whatsoever? Are we just beings that imagine pain and imagine the feeling of touch as a fantasy. I have always been told that after death there is no more pain.