Waking up at 3 a.m. to pee? Your insulin might be the reason

TILvids · Oct 31, 2026

If you keep getting up in the middle of the night to use the bathroom, it might not be your bladder at all. Researchers looked at national health survey data from 2005 to 2020 and scored each person's insulin resistance from their blood sugar, triglycerides, HDL and weight, and the people with more insulin resistance were more likely to be up at night.

Here is how it works in plain English. When insulin runs high all day, your body holds on to salt and water. Then you lie down at night, that fluid moves back into your bloodstream, and your kidneys have to get rid of it.

The good news is that…