I used one of those high-backed office chairs and a foot stool. It was comfy and didn't take up too much room in the nursery.

As far as not taking the baby out of their room overnight, I don't think it matters too much as long as it's not bright lights or noisy in the room you go into. Sometimes I'd take ds to the loungeroom but just have a lamp on rather than the overhead light. If you have a dimmer switch, even better!