Just when you thought you’ve seen it all, “Sleep If U Can” comes along. Once the alarm on this app goes off, you’ll have to to get out of bed and take the exact same photo of what you shot before going to sleep. Continue reading to see it in-action.

Some good places to photograph include: a bathroom sink, your front door, hard-to-reach shelf, desk in another room, a specific (yet not easily found) object, any place far from the bed. Make sure that you’re able to replicate the lighting, or else your alarm will never turn off.