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

How vain it is to sit down to write when you have not stood up to live! – Henry David Thoreau, journal, 1851 August 19th

Throughout the illness the most obviously exciting cause of the attacks was posture, stopping over a writing-desk; and he ultimately had to do such work either kneeling or at a standing desk. – Lawson Tait, 1882

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