Chasca isn't a conure, but she's the same size and similar mindset.
I just went to the rodent section and got a "Grass Mat", using some clips I folded it into an 'L' shape using the cage as a wall to form a cozy 'U' shape.
This is her spot. She loves her spot. She sleeps in her spot. When she's tired and wants to tell you so, she sits in her spot and mumbles to herself.