 Story highlights Kanye West was released from UCLA Medical Center Wednesday after being under observation since November 22 
 
 A source close to West told CNN that the rapper was hospitalized for exhaustion 
 
 (CNN) Kanye West is headed home. The day before West was admitted to the hospital, his concert promoter, Live Nation, announced that the remaining dates of his Saint Pablo Tour had been called off 
 
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– Kanye West was released from the hospital Wednesday, sources tell CNN. West, who was brought to UCLA's medical center after a nervous breakdown, was reportedly treated for exhaustion and is now home with wife Kim Kardashian and their children. TMZ says the breakdown was triggered by the anniversary of his mother's funeral, and that his Saint Pablo concert tour, which he put on hold before being admitted to the hospital, is still on hold indefinitely. Sources say the rapper still requires medical and psychological treatment. Also on hold indefinitely: production of Keeping Up With the Kardashians. Sources tell TMZ that thanks to West's hospitalization and Kardashian's robbery at gunpoint, there's no telling when filming will begin again. Kim is said to be "rethinking everything." Sources tell Us Kardashian and West were fighting a lot before his hospitalization. After the robbery, when West returned to his tour, Kardashian was too anxious to go along. "Of course it strained their relationship, because she hadn’t seen him," one source says. When he was home from the tour, "he would be up all night ranting about things" while continuing to work, adds a source. "They were fighting because he was impossible to live with." And then there was the fact that Kardashian was robbed so close to the anniversary of his mother's death, sources say; the combination was too much for West to handle: "Seeing Kim close to death did a major number on him. It sent him into a tailspin." That, in turn, led Kardashian to be unhappy, because she felt West wasn't supporting her in her time of need. Sources say she's relieved he's now getting help.