so ive had abby and ally they were sisters until ally died so i decided to get ava so abby had a friend they were doing fine and it seemed to be great but i stared to noticed that only at night abby would make this sound then jump on ava where they both were 'yelling'. it wierd because during the day they love each other it just at noght its grtting me freaked out plz telll me anything that you think will help