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Fitness

7 Shocking Facts About Sleep

Yes, we at FITNESS love a great early-morning workout. But we also know about the importance of a good night's sleep, and not just because sleep deprivation is tied to weight gain. Here, the most interesting health facts that warn against burning the candle at both ends. Pace yourself, people.
seated woman in pajamas holding knees to chest 3. Big-C Shifts

There's a link between those who work night shifts and breast cancer; researchers say they think it's because melatonin is suppressed, which is necessary for protection against some cancers. "Shift work that involves circadian disruption" is officially listed as a probable carcinogen.

Source: World Health Organization's International Agency for Research on Cancer

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