It is there 24 hours a day? Arriving in a new enviornment is very stressful. It is probably recovering and is only comfortable roaming at night when there are no other movements in the room. Some corns can be more "secretive" than others and they would be especially moreso after a recent relocation. Most likely he comes out at night and when he becomes more comfortable he'll come out more often. I wouldn't handle him too much in this transition time. Other possibilities are that your temps are too low, or it may be going into shed, those can also cause a corn to be inactive.