Morning High Blood Sugar in Diabetes: 2 Main Reasons – Daily Health

A high blood sugar reading first thing in the morning can throw off your whole day and signal a chronic problem. Despite their best efforts to control their blood sugar levels, some people simply wake up with elevated blood sugar. Starting your day this way is not just alarming if it becomes a pattern, high A.M. readings can make it difficult to achieve your long-term diabetes management goals.There are two reasons why your blood sugar levels may be high in the morning the dawn phenomenon and the Somogyi effect.

Image courtesy of