Your kidneys are forced to work overtime to filter and absorb the excess glucose. When your kidneys can't keep up, the excess glucose is excreted into your urine, dragging along fluids from your tissues, which makes you dehydrated. This will usually leave you feeling thirsty.
One of the most common early signs of diabetes is a need to pee more often during the day. But it can also happen at night. When there's too much sugar in your blood, which happens if you have diabetes, your kidneys have to work harder to get rid of it. This forces them to make more urine.
