To Have and Have Not (film) Carmichael and Stanley Adams. "The Rhumba Jumps", by Mercer and Carmichael, is performed by the hotel band. Bacall shimmies out at the end of the movie to a faster "How Little We Know". The song "Baltimore Oriole" was intended to be Bacall's theme for the movie, but was merely added as background music on the soundtrack due to Bacall's vocal inexperience. Background music or nondiegetic music is minimal in the picture. However, the film score including the main title was composed by Franz Waxman. According to professor of film studies Ian Brookes, Howard Hawks uses jazz, particularly through interracial performance
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.