Hyperglycemia
Photo by Markus Spiske
Drinking too much water before bed can cause nighttime urination. However, high blood sugar can lead to urinary tract infections and an increased frequency of urination.
2. Blurred vision
Photo by Ksenia Chernaya
Temporary blurred vision is often due to hyperglycemia, not a need for glasses. Swelling of the lens caused by elevated glucose levels is likely the culprit.