To Have and Have Not (film) To Have and Have Not (film) To Have and Have Not is a 1944 American romance-war-adventure film directed by Howard Hawks, loosely based on Ernest Hemingway's 1937 novel of the same name; however, the story was altered for the film. It stars Humphrey Bogart, Walter Brennan and Lauren Bacall in her film debut; it also features Dolores Moran, Hoagy Carmichael, Sheldon Leonard, Dan Seymour, and Marcel Dalio. The plot centers on the romance between a freelancing fisherman in Martinique and a beautiful American drifter which is complicated by the growing French resistance in Vichy France. Ernest Hemingway and Howard Hawks
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.