He slumped into a chair, his feet up on a table.
He slumped into a chair in front of a computer and began to type.
He turned away from the window and slumped into a chair.
We made it to the kitchen, and I slumped into a chair.
Dan slumped into a chair and ran a hand over his face.
With a sigh, she slumped into her chair at the table.
The other man sighed and slumped back into his chair.
His head was nodding as he slumped into a chair.
Then, finished with his notes, he slumped into a chair.
Then she slumped into a chair and began to lose consciousness.