Wild animals have also independently deeply specialized in minimizing energy. Many reptiles and insects eat once every few days or weeks or longer. Some hiberna

Wild animals have also independently deeply specialized in minimizing energy. Many reptiles and insects eat once every few days or weeks or longer. Some hibernate. All exotherms minimize bodily activity at least some parts of the day. That said, this argument when applied to humans is nonsense. We are highly energetic endotherms. Our bodies require exercise for a huge list of well supported reasons