Why does KFC make me sleepy?

Why Does KFC Make Me Sleepy?

Fast food often contains high levels of added sugars, salt, and unhealthy fats such as saturated or trans fats. The rapid increase in your blood sugar from consuming junk food, which is rich in refined carbohydrates and sugars, can trigger a surge in insulin. This, in turn, leads to a swift drop in blood sugar levels, resulting in feelings of fatigue, irritability, and an increased craving for more food.