CGM summary graph for case 1. The entire 24-hour day appears at the top, with the dashed line showing the average reading. Specific time periods are summarized in “trend graphs.” Overnight (Panel A) shows an average glucose reading of 130–140 mg/dL. After breakfast (Panel B) shows post-prandial hyperglycemia averaging 250 mg/dL at 1 hour after the meal. Similar post-prandial hyperglycemia is shown after lunch (Panel C) and after dinner (Panel D).