history: I set the alarm to the house every night before bed.  Around 3:00am this morning, the alarm went off.  Thankfully, the contact had just fallen off of the window to make it go off, but it scared me so bad!
current: I set the burglar alarm to the house every night before bed. Around 3:00am this morning, the alarm went off
next: Oh man thats scary! What set it off?