In full moon days there is a increase in the tide in the sea and few relate this to mood up and swing and a abnormal behaviour .whats relate all together is it a myth does any scientific evidence to prove their corelation .
I don't think there is any scientific basis to that claim. The following is simple yet factually correct article in describing the myth . http://www.scientificamerican.com/article/lunacy-and-the-full-moon/?page=2
The authors of the article has also given some references for additional reading at the bottom of the article.