Super easy achievement.
There will most likely be tons of opportunities to unlock this achievement, throughout the game but if you want to unlock it as soon as possible, you can actually unlock it as soon as you're able to control Bjorn.
Inside Bjorn's bathroom, there's a power outlet that'll kill you if you interact with it (at first it didn't kill me, cause Bjorn didn't add water to the process, I think, but at the second attempt, it'll kill you). So all you have to do is to: interact with the power outlet - die - respawn, 10 times (you'll respawn in the bathroom).
EDIT: There's actually a power outlet in the living room, which means that you don't have to enter the bathroom.