… that increases our fasting (pre-meal) glucose levels. Because you lack the insulin action needed to regulate the increase, your fasting glucose levels in the early morning (or dawn) are … on a stationary bike after dinner. Track your morning blood glucose levels. For a week or two, test your blood glucose every morning. Look for patterns that relate to your activities or what … or 3 a.m., and again when you wake up for several nights in a row will help you and your doctor determine if what you’re experiencing is the dawn phenomenon or if there's another reason behind …