A fasting blood sugar level of 99 mg/dL or lower is normal, 100 to 125 mg/dL indicates you have prediabetes, and 126 mg/dL or higher indicates you have diabetes.
Glucagon counteracts and helps regulate your blood glucose levels. Glucagon also triggers your liver to convert stored glucose (glycogen) into a usable form and then release it into your bloodstream
Insulin is a vital hormone that controls how cells store sugar as energy. Additionally, it absorbs energy as well as manages the breakdown of fats and proteins.
If your insulin level falls too low overnight, your blood glucose rises. The reasons for the drop in insulin vary from person to person, but it most commonly occurs when your insulin secretion provide too little basal back up hence the glucose levels shoots up.
Apart from the blood glucose test if your child is experiencing extreme hunger, shakiness and sweats that means your child has juvenile diabetes and hypoglycemia (very low blood glucose levels).