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Sleeping late? Napping all the time? What your sleep says about your health

Sleeping late? Napping all the time? What your sleep says about your health

CNN - By Meera Senthilingam, for CNN

What your sleep says about your health (CNN) — Do you sleep between seven to nine hours per night? According to the experts, this is the amount needed, on average, to keep our minds alert and our bodies healthy -- but many people aren't getting enough. In the United States, for example, half the …

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