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Interactive associa...
Interactive association between insomnia symptoms and sleep duration for the risk of dementia : a prospective study in the Swedish National March Cohort
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Tan, Xiao (författare)
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- Åkerstedt, Torbjörn, 1946- (författare)
- Stockholms universitet,Stressforskningsinstitutet,Biologisk psykologi,Karolinska Institutet, Sweden
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- Lagerros, Ylva Trolle (författare)
- Karolinska Institutet
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- Åkerstedt, Anna Miley (författare)
- Karolinska Institutet
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Bellocco, Rino (författare)
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- Adami, Hans-Olov (författare)
- Karolinska Institutet
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- Ye, Weimin (författare)
- Karolinska Institutet
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- Pei, Jin-Jing (författare)
- Stockholms universitet,Stressforskningsinstitutet,Biologisk psykologi
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- Wang, Hui-Xin (författare)
- Stockholms universitet,Stressforskningsinstitutet,Centrum för forskning om äldre och åldrande (ARC), (tills m KI),Biologisk psykologi
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(creator_code:org_t)
- Oxford University Press, 2023
- 2023
- Engelska.
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Ingår i: Age and Ageing. - : Oxford University Press. - 0002-0729 .- 1468-2834. ; 52:9
- Relaterad länk:
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https://doi.org/10.1...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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http://kipublication...
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Abstract
Ämnesord
Stäng
- Objective: Given the importance of sleep in maintaining neurocognitive health, both sleep duration and quality might be component causes of dementia. However, the possible role of insomnia symptoms as risk factors for dementia remain uncertain. Methods: We prospectively studied 22,078 participants in the Swedish National March Cohort who were free from dementia and stroke at baseline. Occurrence of dementia was documented by national registers during a median follow-up period of 19.2 years. Insomnia symptoms and sleep duration were ascertained by Karolinska Sleep Questionnaire. Multivariable Cox proportional hazards models were used to estimate hazard ratios (HR) and 95% confidence intervals (CI). Results: Compared to participants without insomnia at baseline, those who reported any insomnia symptom experienced a greater incidence of dementia during follow-up (HR 1.08, 95% CI: 1.03, 1.35). Difficulty initiating sleep versus non insomnia (HR 1.24, 95% CI: 1.02, 1.52), but not difficulty maintaining sleep or early morning awakening was associated with an increased risk of dementia. Short sleep duration was associated with increased risk of dementia (6 h vs. 8 h, HR 1.29, 95% CI: 1.11-1.51; 5 h vs. 8 h, HR 1.26, 95% CI: 1.00-1.57). Stratified analyses suggested that insomnia symptoms increased the risk of dementia only amongst participants with =7 h sleep (vs. non-insomnia HR 1.24, 95% CI: 1.00-1.54, P=0.05), but not amongst short sleepers (<7 h). Short sleep duration also did not further inflate the risk of dementia amongst insomniacs. Conclusion: Insomnia and short sleep duration increase the risk of dementia amongst middle-aged to older adults.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Neurovetenskaper (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Neurosciences (hsv//eng)
Nyckelord
- insomnia
- sleep duration
- dementia
- national cohort
- longitudinal study
- older people
- psykologi
- Psychology
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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