I didn't get any curtains or furniture yet.
Curtains shut out the light.
Her curtains were down to seal away the sunlight, and she was curled up in a ball in the middle of her bed with her back to the door.
She suddenly realized the curtains were open, and the sun streaming into her window didn't hurt her eyes.
You know, this house wouldn't be as cold if there were some curtains on the window and some rugs on the floor.