It is time that fatigue of human beings, even looked at as machines, were more fully considered.[5] The great and often permanent physical injury caused by too prolonged work is specially serious for women.

Many women are such willing workers that they go on overtaxing their strength.

Among girls and women students the fatigue from overstrain in preparing for examinations, from which boys and men may rapidly recover, often results in permanent physical and even mental degeneration.

Many who have watched the effects of such continuous study would advocate a complete sabbatical year in which systematic study should be suspended entirely for girls at some period between fourteen and eighteen.
It is impossible to have a healthy nation if the majority, or any very large part of it, work for excessive hours even in the factories where the best methods are employed to make the conditions as healthy as possible.

Medical men of the highest authority regard the influence of too prolonged hours of work as one which urgently demands attention.
Enlightened and experienced men of business like Lord Leverhulme have expressed very strong views on the subject.