It's a hell of a call. I know if someone was trying to hold me down for an extended period of time, they'd need some bloody serious drugs to calm me down. Had a guy in a bed next to me a while ago who was wrecking the whole bed - the nurses were just telling him to stop in case he hurt himself. Poor guy was tring to explain that it was out of his control but they didn't seem to hear. This was about a 4 session - it amazed me he lived through it.