Hi everybody. I am diabetic around last ten years. I am taking insuline Glycgrin 20-25 units at the bed time. My blood sugar remains controlled around 140 and in morning I take an oral Glyconorm M ( glimpride Metomofin and their is some other drug in it). I exercise regularly play Badminton for one hour six days a week. Sometimes I feel ok and energytic but sometime I feel morbid sluggish and week. My age is 48+. Kindly advise.