This is what happens when your policy in life is to only get 4 hours of sleep a night. 
9 examples of WWE CEO Vince McMahon’s unreal work ethic

9 examples of WWE CEO Vince McMahon’s unreal work ethic
In a 2012 interview, McMahon tells Bloomberg Businessweek that he sleeps just four hours a night.
“I don’t like to sleep,” McMahon says. “I’m missing something when I’m sleeping.”