She finally made herself return to the bed and sat on its edge.
She sat on the edge of the bed, turned away from him.
She went over and sat on the edge of the bed.
Behind her, she felt him return to the bed, where he sat on the edge.
Alone in a dark room he sat on the edge of a bed.
I walked over and sat on the edge of his bed.
He sat on the edge of the table, looking down at her.
He sat back down on the edge of the bed.
He took one without a word, then sat across the room from me, on the edge of my bed.
Then he sat on the edge of the bed to think.