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In the News, Winter 2022-23: Short Sleep Duration Linked to Multimorbidity
Older adults who get less than five hours of sleep per night are at increased risk of multimorbidity – the development of two or more chronic diseases, such as diabetes, cancer, and cardiovascular disease – according to a new study published in PLoS Medicine.
The researchers analyzed data on over 7,000 people who participated in the Whitehall II cohort study, established in 1985 to investigate social and occupational influences on health among employees in the London offices of the British civil service. Using data that spanned a 25-year period, they examined the relationship of sleep duration at the ages of 50, 60, and 70 with the onset of one or more chronic diseases.
Participants with short sleep duration (five hours or less) at age 50 were found to have 20% greater risk of diagnosis with a first chronic disease over the next 25 years, compared with those who slept for seven hours. Risk of multimorbidity was 30-40% greater for those with short sleep duration at any of the three ages.
Sources: Five hours’ sleep a night linked to higher risk of multiple diseases. UCL News, October 19, 2022. ucl.ac.uk/news/2022/oct/five-hours-sleep-night-linked-higher-risk-multiple-diseases.
Sabia S, Dugravot A, Léger D, et al. Association of sleep duration at age 50, 60, and 70 years with risk of multimorbidity in the UK: 25-year follow-up of the Whitehall II cohort study. PLoS Med, 2022; 19(10):e1004109. doi.org/10.1371/journal.pmed.1004109.
Published in the Journal of Health and Healing™
Winter 2022 – 23 | Volume 46, Number 4
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