zonk out

I try to center myself before I zonk out.

When the couple, both struggling with age, zonk out in front of the TV, Dan jokes, “We missed all the shows about black and Asian families.”

The trick, of course, is that you need to schedule the flights so you're tired enough to zonk out.

And when you go to bed that night, the last thing you see before you zonk out are those eyes, and the last thing on your face is a smile.