Still, it is customary to keep pupils sitting too long at once. They ought to stand occasionally, or march around the room; and they should be required to exercise a few minutes in the open air, once an hour, at least. – American Annals of Education and Instruction, April 1832

All my books are up, my pictures hung, my standing desk in position, chairs and lounge, et cetera. Everything harmonizes with the fresco. I could not have a pleasanter study. – Edward A. Lawrence, Jr., letter to his mother Margaret Woods Lawrence, 1889 Sept

Desidiousness. Lat. sitting too much; slothfulness, idleness, carelessness. – A New Dictionary of the English Language by Charles Richardson, 1836

After they had dined, Mrs. Teachum told them she thought it proper that they should use some exercise in the cooler part of the day, lest, by sitting too much, they should injure their health. – Sarah Fielding (1710–1768), “The Governess, or The Little Female Academy,”