My son was, he seemed to out grown it around 12. But he still gets up and it seems he must be asleep, but he does what he does and goes back to bed. He is in the Army now, I hope it does not affect him there.
But as a child, we had to put in those chain locks at the top of the door. After we found him in the car and it snowing outside, him freezing, and everything we had to get drastic. Lock down all the windows, a key dead bolt, and block his door. It was only for his own safety while it was snowing.