What Is an Acceptable Night Time Blood Glucose Level?


Blood glucose or blood sugar levels change at night based on stress levels, how your body processes glucose, your level of physical activity and what you consume. The amount of carbohydrates and sugar in food also affects blood glucose levels.


According to the American Diabetes Association, 23.6 million individuals or almost 8 percent of the United States population have diabetes.


Those with diabetes should check blood glucose levels at meals, bedtime, after exercising and when exhibiting symptoms.


According to the National Diabetes Information Clearinghouse, blood glucose levels after a meal, including dinner should be below 180. The blood glucose targets range from 70 to 130 from two hours after dinner to breakfast. However, some experience a drop in their blood glucose in the middle of the night, which may require a test at approximately 3 a.m.

High Levels

Hyperglycemia, also known as a high level of glucose often occurs at night because of a high carbohydrate or high sugar meal and may even be a result of a high stress day.

Low Levels

Hypoglycemia or low sugar levels may occur if you skip a meal and may occur at night. When sleeping, the body’s needs for energy fall and less glucose is produced. For some, blood glucose levels are more difficult to maintain at night. Nighttime low blood sugar levels are common because of insulin injections that occur throughout the day.


Speak with your physician to determine proper blood glucose levels for your body. Managing blood glucose levels improve your personal health and reduce the risk of diabetic health problems.

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