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Related Experiment Video

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Differences between bothersome and non-bothersome night-time frequency.

Koji Yoshimura¹, Toshiyuki Kamoto, Yasunori Oka

¹Department of Urology, Kyoto University Graduate School of Medicine, Kyoto, Japan. ky7527@kuhp.kyoto-u.ac.jp

Neurourology and Urodynamics

|June 30, 2007

Summary

Nocturnal voiding frequency impacts sleep and quality of life, especially when it causes sleep disturbances. This study found that bothersome night-time urination significantly affects well-being, regardless of frequency.

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Area of Science:

Urology
Sleep Medicine
Public Health

Background:

Nocturnal voiding, or waking up to urinate at night, is a common issue affecting many adults.
The impact of nocturnal voiding on sleep quality and overall health-related quality of life (GHQL) requires further investigation, particularly distinguishing between bothersome and non-bothersome experiences.

Purpose of the Study:

To investigate the prevalence of bothersome and non-bothersome nocturnal voiding.
To compare the differences in lower urinary tract symptoms (LUTS), sleep quality, and GHQL between individuals experiencing bothersome and non-bothersome nocturnal voiding.

Main Methods:

A community-based postal questionnaire survey was conducted with 2,205 Japanese men and women aged 41-70 years.
Participants completed validated questionnaires including the International Prostate Symptom Score and Pittsburgh Sleep Quality Index (PSQI).
Subjects with one or two episodes of nocturnal voiding per night were categorized based on whether it caused sleep trouble, and their LUTS, sleep, and GHQL were compared.

Main Results:

Prevalence rates were: once-bothersome (14.2%), once-non-bothersome (31.4%), twice-bothersome (6.8%), and twice-non-bothersome (7.6%) nocturnal voiding per night.
The twice-bothersome group reported the worst LUTS, while the once-non-bothersome group reported the best.
Sleep quality and GHQL were significantly affected by sleep trouble due to nocturnal voiding, rather than the frequency itself. The twice-non-bothersome group often had better scores despite more frequent voiding.

Conclusions:

Sleep quality and general health-related quality of life are considerably impacted by sleep disturbances associated with mild (once or twice) nocturnal voiding.
The subjective experience of bother is a critical factor influencing the negative effects of nocturnal voiding on well-being.
Interventions addressing sleep quality may be crucial for managing the impact of nocturnal voiding.