Main Entry: dawn phenomenon Pronunciation: 'don- Function: noun : a rise in the level of glucose in the blood plasma that occurs in early morning beforebreakfast and that may progress to hyperglycemia in diabetics and especially in those affected with type 1 diabetes —compare SOMOGYI EFFECT
dawn phenomenonn. The occurrence of abrupt increases in fasting levels of plasma glucose concentrations between the hours of 5 and 9 a.m., without preceding hypoglycemia, especially in diabetic patients receiving insulin therapy.
