Pet owners know the struggles of trying to sleep with an animal in the house. Nocturnal pets can be particularly frustrating: Upon waking, a cat may try to smother you to death or bite your nose. Meanwhile, rabbits are crepuscular, meaning they’re active at dawn and dusk. So people are probably accustomed to their bunnies wreaking havoc in the wee hours of the morning.
But these are far from the strangest sleeping habits in the animal kingdom. While you might assume that all animals slumber somewhat similarly, researchers have observed a wide variety of rest states. Here are some strange strategies that animals have developed in order to get some rest:
