Dayworld (1985)

"Dayworld" is the first in the Dayworld trilogy of science fiction novels by Philip José Farmer. The story is set in a dystopian future in which an overpopulated world that solves the problem by allocating people only one day per week. For the rest of the six days they are 'stoned,' a kind of suspended animation. The novels focus on a man, Jeff Caird, who is a daybreaker, someone who lives more than one day a week. But he is not like most daybreakers, he belongs to a government defying group called the “Immers”. The Immers are a very large and powerful group that works to create a better government. Not all Immers are daybreakers, so to get messages and information from one day to the next, they have daybreakers, like Jeff, to work in everyday. The daybreakers of the Immers assume seven different personalities and seven different jobs. They slip from culture to culture, in seven different worlds. While Jeff and the other six men of him go day to day, they run into problems while working as an immer and as a daybreaker, and they must cover their tracks. All while trying to keep up with his seven different lives, families, friends, and jobs. It could drive a man crazy. Eventually it does, and the Immers must dispose of him to keep the rest of the immers safe. Jeff, wanting to live, tries to escape the Immers, but they are so large and powerful, they have many immers undercover in every job, area, and government level. Jeff is caught and put in a sort of insane asylum, classified with “multiple personality disorder”, for the legal time before he is considered “incurable”, and is killed. But Jeff has an escape plan…