To Have and Have Not Harry Morgan and Marie Browning. It was one of the influences for "Bold Venture", a 1951–1952 syndicated radio series starring Bogart and Bacall. The second film version, titled "The Breaking Point" (1950), was directed by Michael Curtiz and stars John Garfield and Patricia Neal with Juano Hernandez as Morgan's partner. The movie shifted the action to southern California and made Garfield a former PT Boat captain but is otherwise the most faithful to the original book. The third film version, titled "The Gun Runners" (1958), was directed by Don Siegel and stars Audie Murphy in the Bogart/Garfield role and Everett
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.