Are you a chronic insomniac? If so.. you dead.

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A persistent lack of sleep will land you in an early grave.

That is the conclusion of a 40-year study examining the long-term effects of sleepless nights.

Persistent insomnia - for six years or more - was linked to a 58 per cent increased risk of death, scientists at the University of Arizona found.



It was also linked to higher levels of inflammation in the blood, which is linked to heart disease, diabetes, obesity, cancer, dementia and depression

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They also found persistant insomnia was associated with greater levels of inflammation in the blood (measured by a biomarker in blood called C-reactive protein).

Previous studies had linked insomnia with death, but the underlying mechanism for why has still not been shown.

Dr Sairam Parthasarathy, lead author of the study, said: 'An enhanced understanding of the association between persistence of insomnia and death would inform treatment of the at-risk population.'

'We found that participants with persistent insomnia were at increased risk of dying due to heart and lung conditions independent of the effects of hypnotics, opportunity for sleep (as distinguished from sleep deprivation), sex, age and other known confounding factors.'

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