Tag: dawn phenomenon

August 7, 2019

There are various possible causes of a high blood sugar level in the morning:

  1. The Dawn Phenomenon which is a natural rise in blood sugar due to a surge of hormones secreted at night which trigger your liver to dump sugar into your blood to help prepare you for the day.
  2. Having high blood sugar from the night before which continue through the night into the morning.
  3. Reactive hyperglycemia which is also called the Somogyi Effect. This is when low blood sugar in the middle of the night triggers your liver to dump sugar into your blood in an attempt to stabilize your blood sugar.

Why Are My Blood Sugars High in the Morning?

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There is a simple strategy for diagnosing the source of high blood sugars in the morning.

  1. Test your blood sugar before bed.
  2. Test your blood sugar in the middle of