Lack of Sleep Is Now Linked to Heart Disease — and It Doesn’t Take Much

A lack of sleep can leave you groggy and grouchy. It may also put your life at risk. Just three consecutive nights of limited sleep was enough to increase biomarkers associated with inflammation and damage to the heart, according to a recent study published in the journal Biomarker Research. Researchers at Uppsala University in Sweden found that the lack of sleep impacted specific biomarkers…