Better Sleep, Longer Life: New Data Confirms Deep Sleep Protects the Heart
A major international analysis involving more than 240,000 adults has confirmed that sleep quality becomes a decisive factor for cardiovascular health after age 50. Researchers found that individuals who sleep 7 to 8 hours with stable deep-sleep cycles experience:
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Up to a 63% lower risk of heart attack and coronary disease
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Improved hormonal balance, especially cortisol and melatonin
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Stronger daytime cognitive function and better emotional stability
The study also shows that irregular sleep schedules, short nights, and late-night screen exposure increase oxidative stress, accelerating several mechanisms linked to aging.
Experts agree: for people over 50, good sleep is not a luxury — it is one of the most powerful foundations for long-term vitality, memory, energy and cardiovascular protection.
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