iPod iPod Mini turns itself on by automatically???

Lately my girlfriends 4gb ipod mini ( 2nd gen ) has been turning itself on lately...i have to wake up at 3 in the morning to turn it off...because i can hear it from the headphones...its happend like 4 times already?? is there an alarm feature or is there a ghost in my house??!!??


EDIT: I'm sorry i found it does have an alarm...sorry for this post...WHEW! no ghost...