Cat Maze
If you have a cat, then you know just how much they love to play certain games. Sure, they love their downtime too, but if you show a cat a ball of yarn or a fun maze, then they are bound to be playing with it all night. Just be careful that you don’t get stuck in the middle of it.
This is the perfect thing if you have a bunch of cats. The only thing is that you would have to lift up your mattress every now and again to check for poo and pee, which isn’t such an easy thing to do all the time. Are we shocked that this exists? No. Do we want it? Potentially.