Q: Does the full moon influence human behavior?
A: Everything from increases in violent crime and psychotic behavior to stock market fluctuations has been blamed on the effects of the fully illuminated moon. In 19th-century England, lawyers used the “guilty by reason of the full moon” defense to claim that their “lunatic” clients could not be held accountable for acting under the moon’s influence
http://www.psychologytoday.com/articles/200502/full-moon-crazy
