Pisces rules the world of imagination and dreams, so if they don’t have enough time to sleep, they may become too imaginative and dreamy in their daily lives, letting their subconscious take over, MacGuire said. And “without enough dream time, they are prone to want to escape in other ways,” he cautioned, so be wary of how you might behave if you don’t give your body the rest and space it needs during the night.

Amount: 9 hours