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ntroduction: The Silent Threat to Your Brain
When people think about dementia or cognitive decline, they often imagine aging as the main cause. Others may blame genetics or assume it’s simply unavoidable. But what if one of the biggest risks is something far more common… something many people live with every day without realizing its impact?
It doesn’t always come with obvious symptoms. It develops quietly. Slowly. And by the time its effects are clearly visible, the damage may already be done.
Understanding this hidden risk could change the way you think about your health—and your future.
Yes—sleep.
Something so basic. So natural. Yet so often ignored.
2. Why Sleep Matters for Brain Health
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