Journal article
Associations between actigraphy-measured sleep duration, continuity, and timing with mortality in the UK Biobank
SLEEP
08 Dec 2023
PMID: 38066693
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Study Objectives: To examine the associations between sleep duration, continuity, timing, and mortality using actigraphy among adults. Methods: Data were from a cohort of 88 282 adults (40-69 years) in UK Biobank that wore a wrist-worn triaxial accelerometer for 7 days. Actigraphy data were processed to generate estimates of sleep duration and other sleep characteristics including wake after sleep onset (WASO), number of 5-minute awakenings, and midpoint for sleep onset/wake-up and the least active 5 hours (L5). Data were linked to mortality outcomes with follow-up to October 31, 2021. We implemented Cox models (hazard ratio, confidence intervals [HR, 95% CI]) to quantify sleep associations with mortality. Models were adjusted for demographics, lifestyle factors, and medical conditions. Results: Over an average of 6.8 years 2973 deaths occurred (1700 cancer, 586 CVD deaths). Overall sleep duration was significantly associated with risk for all-cause (p < 0.01), cancer (p < 0.01), and CVD (p = 0.03) mortality. For example, when compared to sleep durations of 7.0 hrs/d, durations of 5 hrs/d were associated with a 29% higher risk for all-cause mortality (HR: 1.29 [1.09, 1.52]). WASO and number of awakenings were not associated with mortality. Individuals with L5 early or late midpoints (<2:30 or >= 3:30) had a similar to 20% higher risk for all-cause mortality, compared to those with intermediate L5 midpoints (3:00-3:29; p <= 0.01; e.g. HR >= 3:30: 1.19 [1.07, 1.32]). Conclusions: Shorter sleep duration and both early and late sleep timing were associated with a higher mortality risk. These findings reinforce the importance of public health efforts to promote healthy sleep patterns in adults.
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Details
- Title
- Associations between actigraphy-measured sleep duration, continuity, and timing with mortality in the UK Biobank
- Publication Details
- SLEEP
- Publisher
- OXFORD UNIV PRESS INC; CARY
- Grant note
- This research has been conducted using the UK Biobank Resources under Application Number 43456.
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Drexel University
- Web of Science ID
- WOS:001130977500001
- Scopus ID
- 2-s2.0-85187545741
- Other Identifier
- 991021861190004721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Clinical Neurology
- Neurosciences