Nocturia due to nocturnal polyuria (NP). A common disorder.

To the Editor, Nocturia is a significantly underestimated medical problem that affects seriously patients' quality of life, work engagement, productivity, and overall life conditions per se. Nocturia is a common condition, proven to be the most bothersome for patients with Lower Urinary Tract Symptoms (LUTS). People with two or more events of micturition per night have a significant increase in mortality rate and an increased risk of fall-related fractures if they visit the toilet two or more times per night [...].