The old woman sagged forward, constrained by her seat belt.

His head sagged forward against her shoulder as he moaned.

This illusion was increased by the fact that his head sagged forward.

After a while she sighed and her head sagged forward.

After some minutes she began to tremble and her head sagged forward.

She sagged forward, relieved and terrified at the same time.

I sagged forward a little, and lifted a hand.

She stumbled across the room and sagged forward, her knees against my mattress.

Jefferson, sitting between them, sagged forward, then fell back heavily against the seat.

He sagged forward, the strength oozing out of his arms.