Sleeping Beauty (1959 film) first Disney feature-film that did not have the same background animation material, but instead with new background animation material. "Sleeping Beauty" was the first animated film to be photographed in the Super Technirama 70 widescreen process, as well as the second full-length animated feature film to be filmed in anamorphic widescreen, following Disney's own "Lady and the Tramp" four years earlier. The film was presented in Super Technirama 70 and 6-channel stereophonic sound in first-run engagements. After many childless years, King Stefan and Queen Leah happily welcome the birth of their daughter, the Princess Aurora. They proclaim a holiday for
Sleeping Beauty problem Beauty will be awakened, interviewed, and put back to sleep with an amnesia-inducing drug that makes her forget that awakening. A fair coin will be tossed to determine which experimental procedure to undertake: In either case, she will be awakened on Wednesday without interview and the experiment ends. Any time Sleeping Beauty is awakened and interviewed she will not be able to tell which day it is or whether she has been awakened before. During the interview Beauty is asked: "What is your credence now for the proposition that the coin landed heads?" This problem continues to produce ongoing debate.