London: Actress Charlize Theron says she loves sleeping when she is not working."It just depends on how I spend my time off, like now, if I have a moment, I sleep. I'm so desperate for sleep," a website  quoted Theron as saying.

The 38-year-old has has been going through hectic times as she simultaneously shot for three movies -- 'Young Adult', 'Snow White and The Huntsman' and 'Prometheus' this year.