Research News

Insomnia may raise risk of MI and stroke, review finds

BMJ 2017; 357 doi: (Published 03 April 2017) Cite this as: BMJ 2017;357:j1647
  1. Susan Mayor
  1. London

Insomnia is associated with increased risk of future myocardial infarction (MI) and stroke, a meta-analysis of prospective cohort studies has found.1

Insomnia—characterised by difficulty initiating or maintaining sleep, early morning waking, or non-restorative sleep—is common, as studies show that it affects around one in three adults. Sleep problems have previously been associated with cardiovascular or cerebrovascular events, but results of studies have been inconsistent. …

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