It is honestly better than a lot of places he's slept, with indeed a very nice pillow. As he settles into his makeshift bed, he listens to the sounds of her doing the same and finds a strange comfort in it.

When she says goodnight, a smile threatens to break onto his face, but he holds it back. "Good night, Jyn."

Cassian is a very light sleeper, but with Jyn in the room he manages to fall into a pretty easy slumber. He's used to closing his eyes and taking rest when he can, but there is a kind of peacefulness he gets from knowing she's right there.