John Barleycorn by Jack London — Read

I was barely turned fifteen, and working long hours in a cannery. Month in and month out, the shortest day I ever worked was ten hours. When to ten hours of actual work at a machine is added the noon hour; the walking to work and walking home from work; the getting up in the morning, dressing, and eating; the eating at night, undressing, and going to bed, there remains no more than the nine hours out of the twenty-four required by a healthy youngster for sleep. Out of those nine hours, after I was in bed and ere my eyes drowsed shut, I managed to steal a little time for reading.

But many a night I did not knock off work until midnight. On occasion I worked eighteen and twenty hours on a stretch. Once I worked at my machine for thirty-six consecutive hours. And there were weeks on end when I never knocked off work earlier than eleven o'clock, got home and in bed at half after midnight, and was called at half-past five to dress, eat, walk to work, and be at my machine at seven o'clock whistle blow.