We listened to/watched i love to sleep in my own bed and he wanted a new bed. No worries as i had to move his room anyway and we are thinking of selling his bed.
This morning we went and bought new sheets, blanket, doona set, cuddle tou and pyjamas. Have made the new bed (old spare bed) and started clearing out the room.
Last night we sat with him till he went to sleep and he woke 3 hours later screaming and worried about the noise again. As far as we can tell it is the noise of the Shower (shared wall) so he's now on the other side of the house.
We also let him sleep in our bed as we couldn't get him calm any other way.
Hopefully tonight will be better.