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

Sitting is the new smoking. – Health catchphrase, c.2009

Workers at home who have aching backs and but one writing desk, and that a low one, will find great relief from writing in a standing position (if a recess is out the question), if only for fifteen minutes. My standing desk is a broad mantel shelf. – B.G.A., “Helpful Hints and Suggestions,” in The Writer, August 1887

I am writing this at my standing desk, which is against the window. The window offers a pleasant prospect over the lime trees and sun-bathed hills — delightful natural scenery. – Friedrich Nietzsche, letter to sister Elisabeth, 1862, wording slightly altered