A member asked:

Can you real sleepy from too much sugar?

4 doctors weighed in across 2 answers
Dr. Robert Killian answered

Specializes in General Practice

Hyperglycemia: Yes. Absolutely. If you do not have diabetes, given where you live and your age, you very well may have pre-diabetes. When you eat a lot of sugar your pancreas has to put out extra insulin. This excess Insulin causes all the blood sugar in your blood to rapidly be absorbed by your cells. This causes a rapid decrease in the blood sugar level and a trigger to your brain to go to sleep.

Answered 6/25/2014

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Dr. Daniel Kessler answered

Specializes in Family Medicine

Yes: Glucose (sugar) is regulated by Insulin which lowers glucose. When there is too much glucose in your system your body will try to lower it quickly with Insulin which can then also cause low glucose which your brain also does not like. Best is to aim for moderation, add fiber to your diet, avoid processed foods, soda, etc and get regular exercise as this also helps with insulin/glucose metabolism.

Answered 11/27/2017

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