My 18 mo was sleeping great and taking great naps. Put himself to bed with a smile. Untill vacation! When we were away he slept with me in a bed and I layed with him when he went to bed. Now were in a disaster. He stands and screams and cries if I leave the room. He does this for naps and bedtime. It take almost an hr for him to go to bed and I have to stand in his room. Im assuming only CIO would work. I hate that but I might have no choice. My question is do you go in or just let them cio till they fall asleep? I feel like going back in just works him up even more. Any advice would be appreciated.