Here’s a startling revelation: the secret to a longer life might not lie in your diet or gym routine, but in something far simpler—and often overlooked. A groundbreaking study suggests that the amount of sleep you get each night could be a more powerful predictor of longevity than what you eat or how much you exercise. But here’s where it gets controversial: could staying up late to finish that Netflix series or scroll through social media be quietly shaving years off your life? Let’s dive in.
While it’s no secret that poor sleep has been linked to health problems and shorter lifespans, this latest research from Oregon Health & Science University (OHSU) takes it a step further. By analyzing survey data from across the U.S. between 2019 and 2025, scientists found that getting enough sleep—defined as seven to nine hours per night—had a stronger connection to living longer than diet or exercise. And this is the part most people miss: even after accounting for factors like physical inactivity, employment status, and education level, insufficient sleep remained a significant predictor of lower life expectancy. Only smoking outranked it.
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