- Difficulty concentrating and feeling confused
Your entire body, especially your brain, primarily uses carbohydrates (including sugar) as its main source of fuel. Therefore, when blood sugar drops rapidly after a high-sugar meal, it can lead to a lack of fuel in the brain. After that, your concentration and concentration continue to decline, which is why many people start to feel sluggish and sleepy in the afternoon, especially around 3 o’clock.
