Many people are infected with parasites. These parasites, like all living organisms, have a breeding cycle that is tied to the phases of the moon. During the time of the full moon, our bodies produce more seratonin, and these parasites absorb this serotonin and utilise it for mobility and reproduction. The increased parasitic activities around the time of the full moon causes nightmares, sleeplessness, agitation and "moon madness" (aka Lunacy).
While the parasites are active and breeding, they are vulnerable to our bodies defences. This is the perfect time to strike them with antiparasitic countermeasures. Either a deworming tablet, the infamous horse paste, or simply eating raw garlic... The full moon is the best time to attempt to rid yourself of parasites (aka Demons)

When is the next full moon? The buck moon, which peaks on July 10.

https://youtube.com/watch?v=f-fuCUdh-f8