I worked in Funeral Service for three years. In south Georgia we wouldn't do that.
I guess the morts took their sweet time to get around to her remains, because the same 'flop' was evident in the casket.
That, and the fact that they stole one of the Death Certificates that I'd paid for (so they could get paid from the prepaid burial insurance), got me very, very nasty with many, many of their people.