5. Sleep Creativity productivity, enhanced mood and energy. You need to sleep seven to eight hours a night unless you're in the very small percentage of people who have a genetic code that enables them to sleep five hours and be healthy. Sleep also has a profound impact on the other keys of lifestyle medicine. [00:00:30] The fourth key of healthier living is sleep. Sleep is foundational for health. Getting a good night's sleep is one of the most important things you can do for your overall health and wellbeing. It rests and restores our body and brain. During night's sleep. It's thought that waste products are removed from the brain. [00:00:51] Memories are solidified and other hormones that help to regulate appetite are released. You may have heard about leptin and ghrelin. Ghrelin is the gremlin, and it's the one that increases our appetite. Leptin is the hormone that helps to keep us lean when you are sleep deprived. Guess what? Braelin goes up and left and goes down. [00...