![]() It can occur when the body produces too much insulin after a meal, causing blood sugar levels to drop. People who don’t have chronic diseases like diabetes can also have nocturnal hypoglycemia. More specifically, compression of tissue in the sleeping position could cause local blood flow decreases and, in turn, a dip in blood sugar levels.Ĭan individuals without chronic disease experience nocturnal hypoglycemia? According to research, pressure on the sensor may affect readings. Thus, drinking alcohol in the evening could cause low blood sugar levels during sleep.Įrroneous CGM readings: Wear a CGM and notice your blood sugar levels falling at night? It may not necessarily indicate nocturnal hypoglycemia, but a reading error caused by your sleeping position. Add in increased post-exercise insulin sensitivity, and you have a recipe for nocturnal hypoglycemia (especially if you have diabetes-and haven’t adjusted insulin dosage to account for the increase in physical activity).ĭrinking alcohol before bed: Alcohol decreases your liver’s ability to create new glucose molecules via a process known as gluconeogenesis. Both effects could lead to low sugar levels (i.e., nocturnal hypoglycemia).Įxercising before bedtime: Your muscles need more fuel to sustain the activity when you exercise. So, if you haven’t fueled your body with adequate carbohydrates, you run the risk of nocturnal hypoglycemia.Īccidental insulin overdose: Beyond causing cells in your body to absorb too much glucose from your blood, excess circulating insulin can also reduce the amount of glucose released by your liver. Skipping meals (typically dinner) or not consuming enough carbohydrates: When you’re asleep, your body uses the circulating and stored glucose to perform vital functions like breathing and pumping the heart. ![]() There are many factors that can cause nocturnal hypoglycemia: Find out some of those reasons and tips to avoid getting nocturnal hypoglycemia below. There are many reasons why your blood sugar levels may drop during the night. Nocturnal hypoglycemia is the medical term for low blood sugar levels-defined as below 3.9 mmol/L (70 mg/dl)-that occur when an individual is asleep at night. How can you know whether your blood levels remain within normal glucose levels when deep in slumber? This, in turn, highlights the possibility of a dangerous occurrence: nocturnal hypoglycemia.īelow, explore the ins and outs of nocturnal hypoglycemia-including what it is, its causes, symptoms, and how to determine if it’s a concern for you. Things get a little bit trickier during the night, when you’re sleeping, though. For example, feeling faint, having trouble concentrating, etc., can all tip you off that something’s not quite right. Or, even if you’re not regularly tracking your blood sugar levels, you’d typically experience symptoms associated with low sugar levels. You can either use a glucometer or continuous glucose monitoring device (e.g., Abbott Freestyle Libre and Dexcom G6) to take your readings every few hours-promptly knowing when particular nutritional, lifestyle, or insulin dosage adjustments are necessary. ![]() Ensuring your blood sugar levels are within the optimal range during the daytime is relatively straightforward.
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