If you don't have a lot of time, you do their hands and feet, neck, face and scalp.

Many folks have bad neck tension and their cervical vertebra is locked up. Feel along the back of your neck. They should be a groove and when tense, very commonly one is out of alignment, so you rub along there and it POP back where it's supposed to be.

When someone gets a "crick" in their neck, just doing that "intentionally" but carefully, sometimes they get immediate relief. It surprises them as otherwise someone might suffer for 48 hours with it and can't sleep.