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If you really want to get your blood sugar down, it's time to change your diet. Remember, your health outcome is in your hands. You are the only person who can alter your blood sugar on a permanent basis, and the way to do that is to make new choices in the types of food and beverages that you consume.f you really want to get your blood sugar down, it's time to change your diet. Remember, your health outcome is in your hands. You are the only person who can alter your blood sugar on a permanent basis, and the way to do that is to make new choices in the types of food and beverages that you consume.
Once you and your doctor figure out how your blood sugar levels behave overnight, she may suggest changes like these: 1  Change the type of insulin so it doesnât peak at the wrong time or in the middle of the night. 2  Take extra insulin overnight if your blood sugar goes up during the evening.his could happen if you took too much insulin earlier or if you didnât have enough of a bedtime snack. To learn the reason for your high morning blood sugar, your doctor will likely ask you to check your levels between 2 a.m. and 3 a.m. for a few nights in a row.