Every time I have carbs (bread) at noon time, I get sleepy and fall asleep. Just had a piece of pie and the same thing happened. I have diabetes but am only on 1000mg of metformin. is sugar my problem? I assume so but what can I do other than drop any sugar from my diet including breads.? I am 77 5 10 224 lbs, 5 stents, 3 ablations, 99% of the time I am in a fib, and finally I have a pacemaker, hiatel hernia. Other than my sugar problem, I am feeling fairly good, get around fine, and am fairly energetic. Happy disposition, hard working volunteer in many community projects and boards. Too much information? :)