If someone feels they are not having regular refreshing sleep, then it is bad news.
In a very large U.K. study, involving 487,728 people, the following question was asked: Do you have trouble falling asleep at night or do you wake up in the middle of the night?
About a quarter of people in study answered “never/rarely”; just under half answered “sometimes” and less than one-third reported “usually”.
The people in study were followed up for many years (mean follow-up time = 8.9 years)
The people who reported frequent sleep disturbances (“usually” category) were found to be at risk of dying early.
The risk was highest in those with both diabetes and frequent sleep disturbances.
It needs to be seen whether the sleep disturbance by itself led to early death or whether people who are going to die early have medical problems that cause them to have disturbed sleep !
Sleep well. Don’t compromise sleep time !
Associations between sleep disturbances, diabetes and mortality in the UK Biobank cohort: A prospective population-based study
Malcolm von Schantz, Jason C. Ong, Kristen L. Knutson
First published: 08 June 2021
( UK Biobank study participants experiencing sleep disturbances: 24.2% “never/rarely” ; 47.8% “sometimes” and 28.0% “usually”)
BMJ Minerva. Cognitive decline . . . and other stories. BMJ 2021; 373 doi: https://doi.org/10.1136/bmj.n1545 (Published 24 June 2021)
Cite this as: BMJ 2021;373:n1545
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