Beyonce "Doesn't Need Sleep"

Beyonce has revealed in a documentary on her career to date that she is a workaholic and doesn't take enough time out to rest.

Beyonce talks about her busy work life in one off documentary entitled 'Beyonce: Year of 4' which coincided with the release of her new album '4'.

Beyonce confessed "I am a workaholic" and "I don't believe in I need to sleep, if I'm not sleeping nobody's sleeping. I'm one human being."

You can watch the full half hour documentary below...