Now that the supermoon has passed, here’s a reminder that there is scant evidence that full moons are associated with erratic, violent, or unusual behavior.
Dr. Chudler offers a brief summary of studies related to human behavior and full moons on his website and notes
Although most experiments fail to show a relationship between the phase of the moon and abnormal behavior, the belief in the “lunar effect” is still strong among many people.
Scientific American also published a piece about this a few years ago and concludes
… the lunar lunacy effect appears to be no better supported than is the idea that the moon is made of green cheese.