To Have and Have Not (film) documentary, "A Love Story: The Story of "To Have and Have Not"", included on the 2003 DVD release, Hawks recognized the star-making potential of the film for Bacall. He emphasized her role and downplayed Dolores Moran's role, the film's other female lead. (Hawks and Moran had their own affair during production). Two weeks before the end of production, Bacall was called to Hawks's home. Hawks told her Bogart did not love her and she was in danger of losing career opportunities. After he threatened to send her to B-list Monogram Pictures, Bacall was very upset. She told Bogart and he
Biphasic and polyphasic sleep one solid block, and he expresses concern that the ways in which the polyphasic sleepers' attempt to limit total sleep time, restrict time spent in the various stages of the sleep cycle, and disrupt their circadian rhythms, will eventually cause them to suffer the same negative effects as those with other forms of sleep deprivation and circadian rhythm sleep disorder. Woźniak further claims to have scanned the blogs of polyphasic sleepers and found that they have to choose an "engaging activity" again and again just to stay awake and that polyphasic sleep does not improve one's learning ability or creativity.