Too Much or Too Little Sleep Leads to Increased Risk of Mortality: Study Finds
A recent Korean study published in Scientific Reports reveals that prolonged sleep duration of more than eight hours is linked to increased risk of all-cause mortality—especially in men with regular sleep patterns and women with irregular ones. The research highlights the significance of both sleep duration and regularity as crucial factors in developing effective, personalized sleep health strategies.
Sleep is vital for maintaining physiological and psychological balance. Conducted by researchers from Hanyang University Medical Center, the study analyzed data from over 9,000 adults in the Korean Genome Epidemiology Study, spanning both rural and urban populations. Participants were grouped based on self-reported sleep duration (less than seven hours, seven to eight hours, or more than eight hours) and sleep regularity (regular or irregular). Researchers tracked their health outcomes over more than 15 years, examining all-cause mortality and major cardiovascular events.
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