That's a nice image, and very different from the usual cool, flower-laden image she puts off. Trying to emulate a sunrise sounds much more... her. Maybe.

"Think I'd like that. Maybe more 'n all those flowers I usually wear..." And she's already thinking of designs, colors, fabrics...

"Hey Joker. C'n I sleep right here with ya? M' real tired, all of 'a sudden." 'All of a sudden', of course. It's not like she hears how Joker's voice seems to be drifting off as he talks, and she wishes he'd just say something if he wanted to rest. Apparently this is how they're going to play the game though.