This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
[{'content': 'Dawn phenomenon refers to: March 2013 \nSelect and explain. \nA. Early morning hyperglycemia, B. Early morning hypoglycemia, C. Hypoglycemia followed by hyperglycemia, D. High insulin levels', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. A i.e. Early morning hyperglycemia Impoant terms Dawn phenomenon: Glucose level rise in early morning Somogyi effect: Rebound hyperglycemia may appear after 1-24 hours after moderate to severe hypoglycemia', 'role': 'assistant'}]