OMG! I read your post and was slapped in the face! I'm on abilify and have been sleepwalking too! I don't know if it causes it or not but it's a good question to post to the doc. I've been doing odd things in my sleep like tearing pages out of books and using femining hygiene products without reason for it! Ok, the last one really shocked me, but those are the latest odd behaviors I've been doing in my sleep. Crazy!