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
Sleep and memory actually become worse at the task. The individuals that were allowed a 30-60 minute nap seemed to gain stabilization of the skill as no deterioration occurred. If allowed a 60-90 minute nap (REM sleep and slow-wave sleep), individuals displayed enhancement. Unlike the motor task, enhancement was not suppressed during the nocturnal sleep if the individual had napped earlier. In the situation of visual skill learning, naps have been shown to prevent wakeful deterioration and even enhance learning above and beyond enhancement occurring in nocturnal sleep. Shift workers who work throughout the night have been known to have far more accidents