I phone this weakened and vulnerable state "frontal tiredness," and argue that plenty of people in the modern world have it to some extent. The conditions antiquus and modernus were used in a chronological feeling from the Carolingian period. For example, a magister modernus referred to some modern scholar, in https://hwxxvuu.blogdigy.com/top-guidelines-of-culture-of-the-united-states-39927939