A full moon is the phase of the moon when it is completely illuminated, as seen from Earth. During this period, Earth is right between the Sun and the moon, with all three in a line. This period is said to symbolise different things in different cultures. It has religious and spiritual significance in some, and in others, it is believed to symbolise the rhythm of time. Buddhists believe it is a time for spiritual reflection. The full moon is also thought to bring on swings in the mind and the emotions, hence the term lunatic", where Luna or Lunar, refers to the moon.In our universe, every object has an impact on the other. The full moon as well as the new moon are thought to have an effect on the body and mind to some extent - practicing pranayama, yoga and meditation can help counter these effects.