Lunar effect purported lunar-lunacy connection, and at least 20 published studies on the purported lunar-birthrate connection. This has allowed several extensive literature reviews and meta-analyses to be produced, which have found no correlation between the lunar cycle and human biology or behavior. Examples of the belief have been found in ancient Assyrian/Babylonian writing. Claims of a lunar connection have appeared in the following contexts: It is widely believed that the Moon has a relationship with fertility due to the corresponding human menstrual cycle, which averages 28 days. However, no connection between lunar rhythms and menstrual onset has been conclusively shown to exist,
Hitting for the cycle to hit for the cycle in two days. Conversely, the longest period of time between two players hitting for the cycle was 5 years, 11 months, and 30 days, a drought lasting from Michihiro Ogasawara cycle in 2008 to Rainel Rosario in 2014. The natural cycle has been accomplished five times in NPB history. Fumio Fujimura's second cycle on May 25, 1950, was the first time a player collected the hits in order. On average, the natural cycle occurs approximately every 13 years. Other than Fujimura, the four players to hit for the natural cycle are Kazuhiko Kondo in 1961,