Alarm clock when you don't expect it like if you hit snooze instead of off and 5 minutes later as you're getting dressed it starts beeping and you're like ?!?.
seeing as where i live in the mountains is a low altitude training zone for the military's aircraft we get jets flying over the house in the dead of night... i dont know if anyone has ever had a freight train come through their house but these planes will literally shake the foundation they are so low
