Richie, I'm not sure if this at all is what you're asking, but here goes:
Low blood sugar (hypoglycemia) can affect people who have diabetes. It occurs when there's too much insulin and not enough sugar (glucose) in your blood. Hypoglycemia is defined as blood sugar below 70 milligrams per deciliter (mg/dL) or 4 millimoles per liter (mmol/L). Several factors can cause hypoglycemia in people with diabetes, including taking too much insulin or other diabetes medications, skipping a meal, or exercising harder than usual.
Hypoglycemia occurs when there is low amount of glucose/sugar in the blood. So, it associates with diabetic mellitus when someone takes a lot of insulin, drinks too much alcohol or doesn't eat enough food.