Bad Night Moon

Can't sleep every once in a while? Does it happen to be around the time there's a full moon? It could be circalunar periodicity (and I'm sure we'll be seeing ads for a cure ~ "mild and occasional side effects include hairy knuckles, inadvertent howling, headaches, and pointy ears; do not take if operating heavy machinery" ~ on TV anytime now): http://www.theatlantic.com/health/archive/2013/08/not-sleeping-well-blame-the-moon/278288/