Study Finds Sleep Regularity Predicts Mortality Risk Better Than Total Sleep Time

Researchers analyzed sleep patterns to assess health outcomes. The study compared regularity of sleep timing with overall duration. Findings indicate irregular sleep schedules correlate with higher mortality. Sleep regularity emerged as a stronger predictor than sleep length. Data were drawn from a large cohort tracked over several years. Statistical models controlled for age, gender, and lifestyle factors. Results suggest consistent sleep timing may improve longevity. Authors recommend focusing on sleep regularity in public health advice.