When my son was getting zapped with the Rad Tx, he did pretty well with getting bolted down. He even had one of the nurses take his picture! I think he also meditated during the treatments. Patients were allowed to bring their own CD's. That way they could tell how close time-wise they were to finishing that particular Tx. If you are really anxious, tell the doctor - they may have other suggestions or meds to alleviate the anxiety.