Since she became a single mother to her adopted son, Louis, Oscar-winner Sandra Bullock admits she has traded shuteye for hands-on parenting.
The talented actress, who calls Louis "the perfect little man," says that she has realised she only needs three hours sleep a night as she cares for her infant.
"I have learned that a little person screaming at the top of his lungs can mean six things," Sandra says. "And I will figure out which one it is and fix it.
"I don’t want anyone else to have the pleasure of changing poopy diapers but me."