Many things deterred me from realizing this plan, particularly the fear that the long journey might overfatigue, and agitate the child, who always had a very excitable imagination, and a tender heart: and now I have to suffer severely for having indulged my desire.
"The Dead Lake and Other Tales"
Paul Heyse
The ideal distribution of pauses is extremely different from merely stopping the work when a state of overfatigue has been reached.
"Psychology and Social Sanity"
Hugo Münsterberg
Social misfortunes come to the surface now more than ever before: overcrowding of the classes, insufficient rooms, scarcity of teachers, frequent change of teachers, undernourishment and overfatigue of the children, and child labor.
"The Future Belongs to the People"
Karl Liebknecht