He would use amphetamines to stay awake because he would have late night maneuvers that would go way into the early morning hours and he was given pills to stay up for the long hours.
Well physically preparing for the role definitely and then continuing to stay physically fit throughout filming getting up 4.00 4.30 in the morning.
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Because my parents growing up they worked hard. Everyone in my family woke up early in the morning. I used to see my mother and my father go off to work and come back and no matter what they had time for the kids.
