Sich krank essen, trinken, sitzen: to become sick by eating, drinking, sitting too much. – A Complete Practical Grammar of the German Language (c.1805–1828) by Charl

I believe most distempers proceed from too much sitting still. РMarie de Rabutin-Chantal, letter to her daughter Fran̤oise-Marguerite de S̩vig

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

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