The silent killer in your bedroom: How skimping on sleep is stealing years from your life New research shows that routinely sleeping less than seven hours is a powerful predictor of a shorter lifespan across U.S. communities, rivaled only by smoking as a behavioral risk factor. Artificial light and digital screens have severed the natural human rhythm of sleeping with darkness, ignoring the critical nighttime processes of repair, memory consolidation and genetic activity essential for health. Chronic sleep loss elevates the risk of hypertension, heart disease and stroke by depriving the body of its essential recovery period, with poor-quality sleep increasing…

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