A questionnaire study was carried out among pensioners in Jämtland County, Sweden. The questionnaire was answered by 1,115 persons, representing a response rate of 74%. It covered various aspects of health, with emphasis on sleep, fatigue, thirst, and other symptoms that may interfere with night-time sleep. The data were analysed with regard to the stated number of night-time disturbances due to urination. Nocturnal micturition was often associated with increased sleep disorders, a poorer quality of sleep, increased thirst, particularly at night, and increased fatigue in the daytime. All the relationships were clearer in women than in men. There was no relationship between reported enuresis in childhood and an increased frequency of voiding when the subject became older.

Objective To study the relationship between nocturnal whole group of men (3.4% vs 1.9% per 6 months; P<0.001), and the corresponding women a death micturition and mortality in an elderly population. Subjects and methods All 10 216 members of the rate 1.3 (0.9-2.0) times higher than all women (1.4% vs 1.1% per 6 months, not significant). In a multiple Swedish pensioners' association (SPF) in two Swedish counties were asked to participate in a questionnaire logistic regression analysis, significant independent correlates of death during the study period were: being survey. Results There were 6143 evaluable questionnaires, of 1.12-2.93), and three or more vs two or fewer voiding episodes (1.34, 1.01-1.79). which 39.5% were from men. The mean (sd) ages of the men and women participating were 73.0 (6.0)Conclusion Elderly people who need to void three or more times per night had a greater mortality rate over and 72.6 (6.7) years, respectively. During a 54-month period after the questionnaire was completed, 444 of a 54-month observation period than those voiding less often. the men and 384 of the women died. The men with three or more nocturnal voiding episodes had a higher

The secretion of antidiuretic hormone (ADH) and the serum osmolality were measured at 4-h intervals throughout a 24-h period in 69 healthy elderly volunteers. In male subjects the concentrations of plasma ADH were always twofold higher than in female subjects. The normal diurnal rhythm, with increased ADH secretion during the night, was not seen in this group of elderly subjects, with the exception of elderly men who did not urinate during the night, in whom a substantial increase in plasma ADH levels occurred. In as many as 25% of all the ADH measurements performed (n = 455) ADH was not detectable by the method used. The lack of a definite diurnal rhythm in most of the elderly subjects could to some extent explain the increased diuresis during the night in the elderly.

Objective To assess the influence of somatic diseases, symptoms and medication on nocturnal micturition in an elderly population. Subjects and methods All 10 216 members of the pensioners' association in two Swedish counties were asked to participate in a questionnaire survey. The questions concerned their general state of health, occurrence of somatic diseases and symptoms, number of voiding episodes per night, and the use of drugs. Results There were 6143 evaluable questionnaires, of which 39.5% were from men. The mean ( SD ) age of the men and women participating were 73.0 (6.0) and 72.6 (6.7) years, respectively. In a multivariate logistic model, significant independent correlates of having ≥ 3 nocturnal voids (vs ≤ 2 voids) were: being 70-79 years vs < 70 years (odds ratio, OR, 1.7, 95% confidence interval, CI, 1.3-2.2), being ≥ 80 years old vs < 70 years

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Age, poor health and different somatic diseases, but not hypnotics, are associated with daytime sleepiness in elderly persons.