That may not be true that people used to have less time. For example this article: http://www.businessinsider.fr/us/american-worker-less-vacation-medieval-peasa

That may not be true that people used to have less time. For example this article: http://www.businessinsider.fr/us/american-worker-less-vacation-medieval-peasant-2016-11 http://www.businessinsider.fr/us/american-worker-less-vacati... state that medieval peasant had more free time than actual american worker. Did they use this time to take drug is another topic though.