Awake's Biggest Challenge

How does Hayden manage to stay still (as
a patient in surgery) in Awake?


(Hayden and Terrence Howard)

"That was the biggest challenge," Hayden tells
ET about performing his unique task. "To get
myself into some Zen-like space where I could
just be still for an hour-and-a-half on end ...
I sing songs in my head, recount old memories,
that sort of thing."