english: While our body is still and our mind is off walking in dreams somewhere, the elegant machinery of the brain is quietly hard at work cleaning and maintaining this unimaginably complex machine.
non_english: Dok je telo nepomično, a um je negde u zemlji snova, elegantni mehanizam mozga neprimetno radi na čišćenju i održavanju ove nezamislivo složene mašine.