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Is your sleep schedule killing you? We’ve all heard the golden rule: get eight hours of sleep. But what if the consistency of those hours matters more for your lifespan than the total time spent in bed?

In this episode, we dive into a landmark prospective cohort study from the UK Biobank that is turning sleep medicine on its head. Researchers tracked over 60,000 participants to answer one high-stakes question: Is it better to sleep 6 hours every night at the exact same time, or 8 hours that fluctuate between weekdays and weekends?

The findings are a wake-up call for anyone living with "Social Jetlag."

In this episode, you’ll discover:

The SRI Advantage: Why the Sleep Regularity Index (SRI) is a more potent predictor of mortality than duration alone.

The Survival Paradox: How "short sleepers" with high regularity are actually outliving "normal sleepers" with irregular patterns.

Circadian Desynchrony: The hidden physiological stress that irregular sleep places on your heart, metabolism, and even your DNA.

The "Anchor" Strategy: Practical, physician-level advice on how to stabilize your biological clock to reduce the risk of cardiovascular disease and cancer.

If you’ve been obsessive about your sleep tracking but still feel "off," the problem might not be your quantity—it’s your rhythm.

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