Kanye West spent nine days at UCLA Medical Center following his breakdown, and the rapper really opened up about his demons.

Sources are revealing exclusively to Life & Style that the psychiatrists who treated Kanye, 39, learned things fans have never seen before.

MORE: Kanye West Steps out Following His Hospitalization to Meet With President-Elect Donald Trump!

"When he first went to the psych ward, he was hearing voices,” notes an insider. Soon, says another source, “He started telling people he’s a ‘starseed,’ an alien on a mission to help the Earth.”

kanye west

On top of that, his public behavior shows he could be suffering from schizoaffective disorder, says LA psychologist Julie Armstrong, who doesn’t treat Kanye. Symptoms include hallucinations or delusions, along with depression or mania.

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For more on Kanye's hospitalization, be sure to pick up the latest issue of Life & Style on newsstands now. Click through the slideshow to see what Kanye's said about Kim!