Shoot your alarm clock to turn it off each morning. but wouldn't you have to grab the gun which takes the same time as turning the alarm clock off. and then you'd have to shoot the target when you're half asleep to turn the darn thing off.
Did I leave the flat iron on? Outlet that can be turned off with your smartphone even when you're not home. Oh wow that is great for my obsessive thoughts that I get when I leave the house! Oh did I turn the oven off? Did I turn the curling iron off?