Terri Schiavo had no comment.
I remember an interview with a women who came out of coma after being dehydrated and talking about painful it was.
Found it here
http://www.weeklystandard.com/a-painless-death/article/4610
Yet hospice will tell you it's a pleasant experience for the patient. Families want to hear that. But it's not true.
Thanks for that link.