Of course. All cycles on the planet have an influence...I mean, don't you think an eclipse would have an effect? Hell yeah.
Your sensitivities are different than mine...I do not follow the moon, so I have no idea...but it's a very worthy avenue to explore. You and I, we have different parasites, even if they go by the same name: after they've lived on your body for 48 hours, they basically qualify as a different Species. THAT's how fast they evolve.