Sleep

So we just moved into a bigger space and my son that just turned one today has his own bedroom and since we moved he only sleeps in his room for 3 hours and wakes up screaming/crying.. He keeps sleeping in our bed and we have no space to sleep and im pregnant and uncomfortble. Ive tried everything, giving him milk in his bed so he falls asleep, rocking him to bed etc... nothing has worked.. im wondering why he cant sleep in there.. have been trying this for over 3 or more weeks. At our old place he was sleeping in our room in his crib since he was born. Any advice, suggestions.. I'm exhausted and need my sleep and so does my husband who works 13 hour shifts... anyone else experience this!?