So what this new research tells us, then, is that the one thing that all of you already knew about sleep, that even Galen understood about sleep, that it refreshes and clears the mind, may actually be a big part of what sleep is all about.
Ovo novo israživanje govori nam da bi sve ono što smo svi mi već znali o spavanju, ono što je čak i Galen shvaćao, da ono osvježava i pročišćava um, mogao biti glavni razlog postojanja sna.