On mechanical time routine
“In short: mechanical time is not an absolute. And a population trained to keep to a mechanical time routine at whatever sacrifice to health, convenience, and organic felicity may well suffer from the strain of that discipline and find life impossible without the most strenuous compensations. The fact that sexual intercourse in a modern city is limited, for workers in all grades and departments, to the fatigued hours of the day may add to the efficiency of the working life only by a too-heavy sacrifice in personal and organic relations…”
Lewis Mumford in Technics and Civilzation (1934)