God has created mankind with all its uniqueness. Some usual things we usually do every day turn out to be important. Due to that fact, if the activity is not done, then humans will gett illness, may also be dead. Eating is an everyday activity. As a living creature, food is useful as a nutritional intake and fuel. Humans will experience some health problems for not eating. Malnutrition, vitamin deficiency, until death is the result of a lack of food intake in the body. Drinking, this very easy activity is very important for the body. Humans need water to replace body fluids that come out of perspiration. Lack of fluid can lead to dehydration that can lead to death. Drowsiness is one of the signs that our bodies should be rested. By sleeping, the body will become fresher. When sleeping muscles body is weakened, consequently a stiff body after doing all day activities will also be weakened. When you wake up, your body will be fresher. Lack of sleep is not only resulted in fatigue, but also damage to some organs of the human body.​