Video narration
That after-lunch crash hits while you're trying to work, and your focus disappears. Did lunch do this, or is your blood sugar off? Part of the answer is your body clock. In the early afternoon, your natural alertness dips, so staying focused can feel harder. Then a large or heavy lunch can add to that sleepy feeling; it's not simply about one food or one ingredient. And if the slump feels like a blood-sugar warning, here's the important distinction: feeling sleepy after lunch alone does not mean you have insulin resistance. Insulin resistance means your body doesn't respond to insulin as well, making blood sugar harder to manage. One sleepy afternoon can't diagnose it. So when your eyes get heavy at your desk or in class, remember: it's often the afternoon dip meeting the meal-not proof of a problem. Follow for more body hacks.