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Nocturia (nocturnal awakenings associated with urination) is so common a nocturnal behavior that its association with poor sleep is often overlooked. This study examined nocturia and its potential role in poor sleep by examining reported nightly awakenings and associated bathroom trips.Sleep diaries were kept by 119 adults with poor sleep for intervals up to 14 days. Diaries collected data on nightly number of awakenings and nightly number of bathroom trips. The proportion of nocturnal awakenings accompanied by voiding for each night was calculated and averaged within each individual. Demographics and various health conditions were examined in relation to this measure.Nocturia was defined when at least two-thirds of all awakenings were associated with nocturnal voiding. Absence of nocturia was defined when less than one-third of awakenings were associated with voiding. Remaining cases were defined as having possible nocturia. Estimates of nocturia derived from prestudy screening were related to nocturia as defined by sleep diaries. Neither gender nor sleep apnea was associated with nocturia. Unadjusted analyses indicated that individuals with nocturia were more likely to have arthritis and attribute their nighttime awakenings to urge to void than individuals without nocturia.Nocturia is an exceedingly common phenomenon and may be associated with multiple morbidities. RESULTS are discussed in terms of causality and whether the perceived urge to void precedes or follows nocturnal awakening. Correlates of nocturia have important implications, because they can inform interventions that target brain (e.g., cognitive-behavioral treatments for insomnia, sedative/hypnotic medications) versus bladder (e.g., bladder control exercises, medications affecting urine production or urgency).
View details for DOI 10.1037/a0034401
View details for Web of Science ID 000344010300011
View details for PubMedCentralID PMC4119089