Screwy.
no less so than embalming corpses and then putting them on display before placing them in the ground to be devoured by worms.
There's some weird doctrine that the soul lingers for a certain number of days. St. Paul, who was quite the educated Orthodox of his day before becoming a Christian, had no use for that superstition -- rather, to be absent from the body is to be present with the Lord. (Or for the damned, to go to hades)