How he keeps it up at his age is beyond me.

"And this is why you keep me up so late at night?"

What to do when pain keeps you up at night.

But who could keep up with him at that pace?

He said the baby was not keeping him up at night.

"I was just trying to keep up with her at that point," he says.

But that last pick will keep me up at night.

And he can't keep up production at its current rate.

"As if I needed another thing to keep me up at night."

The man was interested in his patients, but they never kept him up at night.