If you call down the higher consciousness, its descent of itself will show you your inner being as separate from the outer. Until then you can only go on observing yourself and the movements of your nature till you see the difference.

That is usual. I was in that way unconscious of the body for many years.

Not tamasic peace which is at rest because it does not aspire after anything, is too tired by suffering and misfortune etc. to care for anything.