I find all this out during the interview process .... I ask "how do naps go? Do they sleep in a playpen ? Go to sleep on their own without being rocked ? ". I am not an AP'er and I want children to be able to sleep independently. I would talk to the parents and tell them they have to put him in his own bed at home in order to help him adjust to daycare. I would put the screamer down first to give him a chance to wear himself out unless the other child is a really sound sleeper. And no I wouldn't lay down with any child