Why are your sugar levels higher in the mornings than at night?
Higher morning blood sugar is very common and usually happens because of something called the "dawn phenomenon." This affects about half of people with type 2 and type 1 diabetes.
Here's what happens: Between 4 a.m. and 8 a.m., your body releases hormones Show Full Answer
Why are your sugar levels higher in the mornings than at night?
Higher morning blood sugar is very common and usually happens because of something called the "dawn phenomenon." This affects about half of people with type 2 and type 1 diabetes.
Here's what happens: Between 4 a.m. and 8 a.m., your body releases hormones like cortisol to help wake you up. These hormones signal your liver to make extra glucose for energy. In people without diabetes, the pancreas releases enough insulin to balance this out. But when you have diabetes, your body may not produce enough insulin or may be more insulin resistant, causing blood sugar to rise.
Common reasons for high morning blood sugar include:
- Your body doesn't make enough insulin naturally
- You have higher insulin resistance in the morning
- Your evening insulin dose or medication isn't quite right
- You ate carb-heavy foods before bed
- Your long-acting insulin is wearing off too soon
What can help:
- Avoid carb-heavy dinners or bedtime snacks
- Don't skip breakfast (it actually helps balance those morning hormones)
- Try light exercise after dinner
- Maintain a consistent sleep schedule
- Track your levels with a continuous glucose monitor to see patterns
If your morning readings stay high despite these changes, talk with your doctor about adjusting your treatment plan or insulin timing.
January 25
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