bentley was attached to me from the moment we brought him home that he never ever slept in his crate...and he is just so cute i had to sleep with him and wouldnt have it any other way! he is potty trained to hold it till morning so we dont usually have accidents and there is nothing for him to get into in the bedroom, its puppy proof. the crate is in my room but the only time he goes in there is if he is hiding from me or when he doesnt feel good.
moral of the story is, i dont think that having your babies sleep with you for one night will do anything bad for them in the way of ruining the habit, but i think YOU will be the one to get attached to having them sleep with you
and there is nothing wrong with that!