Insomnia and alcohol use as predictors of heartrate variability among veterans
Abstract
"Low heart-rate variability (HRV) is an indicator of autonomic dysfunction. Low HRV has been linked to adverse cardiovascular outcomes. Low HRV has also been implicated in both alcohol use and sleep disorders. HYPOTHESIS: Heavier alcohol use and more severe insomnia will be associated with autonomic dysfunction (low HRV)."--Introduction.
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