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Verfasst von:Loerbroks, Adrian [VerfasserIn]   i
 Amelang, Manfred [VerfasserIn]   i
 Stürmer, Til [VerfasserIn]   i
Titel:Nocturnal sleep duration and cognitive impairment in a population-based study of older adults
Verf.angabe:Adrian Loerbroks, Desiree Debling, Manfred Amelang and Til Stürmer
Jahr:2010
Umfang:10 S.
Fussnoten:Gesehen am 20.06.2017 ; Article was first published on 22 June 2009
Titel Quelle:Enthalten in: International journal of geriatric psychiatry
Ort Quelle:Chichester [u.a.] : Wiley, 1986
Jahr Quelle:2010
Band/Heft Quelle:25(2010), 1, Seite 100-109
ISSN Quelle:1099-1166
Abstract:Objective: We aimed to investigate the association between nocturnal sleep duration, changes in nocturnal sleep duration and cognitive impairment in older adults. Methods: 4010 participants of a population-based cohort study provided information on nocturnal sleep duration at baseline (1991-1995) and at follow-up (2002/2003). 792 follow-up participants aged 70+ by 2006 participated in telephone-based cognitive assessments. Several cognitive tests were used including the telephone interview for cognitive status (TICS). Cognitive impairment was defined as <31 points on the TICS (13.0%) and as below this percentile on the other tests. Based on individual tests, a verbal memory score and a total score were constructed. Multivariable prevalence ratios (PRs) of cognitive impairment and 95% confidence intervals (95%CIs) were computed using Poisson regression. Analyses were restricted to those free of depression in 2002/2003 (n = 695). Results: Sleeping ≤6 or 8 h per night (versus 7 h) were unrelated to cognitive impairment. Sleeping ≥9 h was positively, although imprecisely, associated with impairment of verbal memory (PR = 1.7, 95%CI = 1.0, 3.0), and less pronounced with the other cognitive measures. An increase in sleep duration from 7-8 h in 1992-1995 to ≥9 h 8.5 years later (versus sleeping 7-8 h at both time points) was associated with an increased prevalence of cognitive impairment according to the TICS (PR = 2.1, 95% = 1.0, 4.5) and the verbal memory score (PR = 2.0, 95%CI = 1.0, 3.8). Conclusions: Increases in sleep duration are associated with cognitive impairment. A biological explanation for this association is currently lacking. Increases in sleep duration could be a marker of cognitive deficits. Copyright © 2009 John Wiley & Sons, Ltd.
DOI:doi:10.1002/gps.2305
URL:Bitte beachten Sie: Dies ist ein Bibliographieeintrag. Ein Volltextzugriff für Mitglieder der Universität besteht hier nur, falls für die entsprechende Zeitschrift/den entsprechenden Sammelband ein Abonnement besteht oder es sich um einen OpenAccess-Titel handelt.

Volltext: http://dx.doi.org/10.1002/gps.2305
 Volltext: http://onlinelibrary.wiley.com/doi/10.1002/gps.2305/abstract
 DOI: https://doi.org/10.1002/gps.2305
Datenträger:Online-Ressource
Sprache:eng
Sach-SW:cognition
 east boston memory test
 epidemiology
 Germany
 prevalence ratio
 sleep duration
 telephone interview for cognitive status
K10plus-PPN:1560015535
Verknüpfungen:→ Zeitschrift

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