There are two types of reactions that cause high blood sugars even though you haven’t eaten anything: The Somoygi effect and the Dawn Phenomenon.
Somoygi effect and dawn phenomenon are similar in that both lead to high morning blood glucose readings because of a hormone release that causes the liver to release glucose into the blood. The difference, however, is that dawn phenomenon is not caused by hypoglycemia, but by a random release of the triggering hormones. For the Somoygi effect to occur, your blood sugars typically need to drop to low levels first to trigger the liver’s output of glucose. The Dawn phenomenon is tricky, since the hormone fluctuation could happen even when there is no apparent reason. The sugars may just rise. Continue reading “Troubleshooting your blood sugars: The Dawn Phenomenon”