University of Arizona (UA) researchers found a link between chronic insomnia and high levels of inflammation in the blood and at a high risk of death, as reported by UA.

The UA researchers found that, unlike intermittent insomnia, chronic or persistent insomnia that lasted for at least six years was associated with mortality. Moreover, they found that greater levels of inflammation (measured by a biomarker in blood called C-reactive protein) and a steeper rise in such biomarkers of inflammation were associated with the persistence of insomnia and death.

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