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Au thor: Joanna Fong-Isariyawongse , University of Pittsburgh

Have you ever tossed and turned under a full moon and wondered if its glow was keeping you awake? For generations, people have believed that the Moon has the power to stir up sleepless nights and strange behavior – even madness itself. The word “lunacy” comes directly from luna, Latin for Moon.

Police officers, hospital staff and emergency workers often swear that their nights get busier under a full moon . But does science back that up?

The answer is, of course, more nuanced than folklore suggests. Research shows a full moon can modestly affect sleep, but its influence on mental health is much less

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