9 Signs of Diabetes That Appear at Night

2. Excessive Thirst

High blood sugar can cause the body to pull water from tissues, increasing thirst.

You may notice:

  • An unusually dry mouth
  • Drinking more water than usual
  • Waking during the night because you are thirsty

Persistent excessive thirst, especially when combined with frequent urination, should be discussed with a healthcare professional.

3. Frequent Urination at Night

When blood glucose levels are too high, the kidneys may remove excess glucose through urine. This can increase urine production and cause you to wake several times during the night.

Frequent nighttime