If the (weightless) portable bed (from the house north of the cursed Abbey) was a little large in your inventory, you could always put it in the book from the thieves' guild, and sleep in it there. <img src="/ubbthreads/images/graemlins/biggrin.gif" alt="" />
You may not be able to complete quests after hex editing back to Rivertown. The quest log gets cleared, but I don't know if that is just cosmetic or not.