10 Silent Signs Your Blood Sugar Is Too High Even If You're Not Diabetic You don't have to be diagnosed with diabetes to have blood sugar problems. Your blood sugar can gradually become elevated because of insulin resistance, stress, poor sleep, inactivity, excess refined carbohydrates, or frequent sugary foods. And the scary part? Your body may start sending warning signs long before diabetes is diagnosed. Here are 10 signs worth paying attention to: 1. You are constantly thirsty High blood glucose can cause your body to pull more water from your tissues, making you feel unusually thirsty. 2. You urinate more often When glucose levels become too high, your kidneys work harder to remove excess glucose through urine. 3. You feel tired even after sleeping When insulin isn't working efficiently, glucose may not be getting into your cells effectively, leaving you feeling drained. 4. You get hungry shortly after eating Frequent hunger can occur when your body has ...