From Dr. Saundra Dalton-Smith’s 7 Types of Rest . Most of us think of “rest” as simply getting more sleep. But here’s the truth, you can sleep eight hours and still wake up exhausted. Why? Because there are different kinds of rest we all need. When one is missing, it shows up as stress, fatigue, or lack of focus. Why we get depleted when we don’t recharge Every day, your body and mind use up energy to move, think, feel, and connect. Stress hormones build up. Emotions swirl.