To Have and Have Not (film) Furthman had completed a revised screenplay with sixty fewer pages. Hawks instructed Furthman, to alter Marie's character to be more sultry and masculine like Marlene Dietrich. In the previous version of the script, Bacall's purse was stolen; after the revision, Bacall's character stole the purse. Much of Bacall's character was based on Hawks's wife Slim Keith. Some of her lines reportedly came directly from Keith. According to Keith, Furthman even suggested she ask for script credit. Hawks instructed Furthman to work on the final screenplay and stop writing the second version of the screenplay. The second version had Bacall as
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.