There 1. ______ (is/ are) many ways to stay healthy. One of the most important ways is to get enough sleep. How 2. ______ (many/ much) sleep you need depends on your age. If you 3. ______ (are/ is) a child or a teenager, then you may need between 9 to 12 hours. Adults need 4. ______ (more/ less) sleep, around 6 to 9 hours. How 5. ______ (many/ much) hours of sleep do you get a night? If you aren't getting enough, your health may be affected.