I mean, it makes sense. It's fairly well encoded into the genetics that determine our circadian rhythms. There is a dip in energy levels, corresponding to chang

I mean, it makes sense. It's fairly well encoded into the genetics that determine our circadian rhythms. There is a dip in energy levels, corresponding to changed brain waves, that occurs at approximately midday. That 1pm drowsiness is your body just trying to do mammal things.