Mariah Carey spends 15 hours a day sleeping in a room full of voice-preserving humidifiers before every live performance. The sexy diva insists on the extreme preparation to ensure her amazing voice is in top conditionShe admitted: "It's bleak, but you gotta do what you gotta do" Mariah also revealed she never gets out of bed before 5pmThe stunning singer has confessed she stays awake at night and goes to sleep at 7am, and eats her main meal around 2amShe explained: "I live in my own little universe" Meanwhile, Mariah has revealed she used to live on just a dollar a dayDespite being a multi-millionaire, the singer has revealed she used to struggle to make ends meet She added in an interview with Britain's Glamour magazine: "There were times when I had one dollar to last all day So it was, 'Do I go on the subway, or do I have a bagel?' "But I didn't care, because in my mind I knew I was going to succeed one day"

Tagged in