If you need to get up to urinate more than one time during the night, you may have an overactive bladder at night. This condition is called nocturia, and it’s not the same as overactive bladder (OAB). It’s possible to have nocturia along with OAB, or to have this condition on its own even when daytime urination is normal.
Nocturia is common, especially as you age. One in three adults over the age of 30 need to make at least two trips to the bathroom at night. Nocturia is different from bedwetting. Most people can sleep six to eight hours without having to get up. But if you have nocturia, you’ll wake up more than once a night. via healthline
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