I no longer have to crate, but I think either a break at lunch or like has been said, a larger area for them. Is there a specific reason you crate at night still? We never did that, of course we have them in the bed with us, but that seems like something you may be able to eliminate first. Try dog beds, or like has also been said leave thier crate doors open, in your room and close the door if you're worried about them roaming and destroying in the wee hours .