We have a really cold bedroom which is often full of condensation in the winter. I know they advise people not to let the bedroom get too hot but how bad is it if the room is too cold for the baby? I'm planning to get a co-sleeping cot so the baby will be sleeping in the room. It was about 12 degrees last night with the heating on, and about 7 degrees today without the heating on. but leaving the heating on constantly through the winter is just not an option, we can't afford it! Due in feb, so winter will be over the worst, but it'll still be chilly. Would plenty of blankets and long sleeved sleeping bags be enough?