How Many Hours of Sleep You Need Based on Your Zodiac Sign

Aquarius need to get enough sleep to feel balanced, but they prefer to pick their nightly hours based on their own terms and how they're feeling, MacGuire said. "They would like the freedom to sleep when and how long they want, but there's so much to do," he said, making it tough to oversleep. "Seven hours, therefore, is a good balance and necessary for brain health, since they use their minds so very much," he added.

Amount: 7 hours