Pixeldust Studios<br>National Sleep Foundation: "Sleep Longer To Lower Blood Glucose Levels."<br>CDC: "10 Surprising Things That Can Spike Your Blood Sugar," "Prevent Complications," "5 Healthy Eating Tips for the Holidays."<br>Mayo Clinic: "Living with diabetes blog: Heat and diabetes," "Diabetes management: How lifestyle, daily routine affect blood sugar."<br>American Diabetes Association: "Tight Diabetes Control."<br>PubMed: "Effect of intranasal steroids on glucose and hemoglobin A1c levels in diabetic patients."<br>American Dental Association: "Gum disease can raise your blood sugar level."