Hmm... Well, sure. Malkai won't intend to, but if he hears something he'll definitely react. Though the Alarm spell that Alyssa prepped would wake her up first if they get close to her. Here's a link to the [url=http://www.d20srd.org/srd/spells/alarm.htm]details[/url]. If they get to the group first then Malkai may just leave it to them, assuming it isn't too serious.