Move over, planking - there's a new internet craze in town.
It involves, as you might have guessed from the headline above, balancing things on your partner's head while they're asleep. And then photographing it. And then embarrassing said partner by putting it all over Facebook/Twitter/the internet.
Two of the finest - if that's the word - executors of such feats are Twitter users @Mowgzilla, aka Kris Mooney, and @death_stairs, aka Kyle Wilkins.
"I started doing it in August of last year, in protest at my girlfriend falling asleep on the couch while we were watching TV at night," says Mooney. "At first, I used whatever I could actually reach from where I was sitting. But I soon needed more of a challenge."
And what has Mooney learned from all this? "That my girlfriend is a deep sleeper and has an amazingly flat head."
Wilkins, meanwhile, started doing it because his partner began wearing an eye mask to bed - "the added bonus being that I could turn the light on to take a photo and she wouldn't know."
"The first picture [of a few coins balancing on her eye mask] got such a good reaction from Twitter that I upped my game and added more coins," he says. "I was surprised by how well the pictures were going down with people, so I got more daring."
To see just how daring, take a look at Mooney and Wilkins' very silly, very funny photographs below. We tip our hat to them - and we tip it even more to their very forgiving, very sleepy girlfriends.