7 nighttime symptoms that may indicate high blood sugar

evening or after waking.

Do not assume that every vision change comes from blood sugar. New or persistent blurred vision needs assessment, and sudden vision loss requires urgent medical attention.

  1. Burning, Tingling, or Numbness in the Feet

Diabetes can cause peripheral nerve damage. Symptoms may include altered sensation or discomfort in the feet, and nerve pain can become worse at night.

These symptoms may reflect a long-term complication rather than a brief rise in blood sugar that evening. Other conditions can also cause neuropathy,

so persistent symptoms should be evaluated.