Nick Cannon has stepped down from his New York City radio show.
Cannon said in a statement on the 92.3 NOW website that Friday was his last day hosting the 2-year-old show, called "Rollin'."
He said doctors had ordered him to cut back on his professional commitments and get more rest.
Said Cannon: "Even Superman has to sleep."
The 31-year-old entertainer was hospitalized last month after suffering from what his wife, Mariah Carey, called "mild kidney failure."
The couple became parents of twins, a son Moroccan and a daughter Monroe, last year.
Cannon said he'll continue to host his syndicated weekend show, "Cannon's Countdown." He added that he will "look forward to contributing to 92.3 NOW whenever possible."
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