HHHHHMMMmmmmmmmmm... VERY interesting.....
Maybeit accounts to this recent FR post...
"Actress and singer Liza Minnelli was taken to a hospital after falling out of bed and hitting her head in the early morning hours of December 27, 2004 People Magazine reported. 'She was sleeping and she rolled out of bed,' People quoted a police source as saying in an article on its Web site."
http://www.freerepublic.com/focus/f-news/1309231/posts