This question seems to conflate the claim that caffeine works as a stimulant, and the claim that in a meaningful sense stimulants increase productivity. I suspect this is true for measured productivity, but not at all obviously true for net production.
This question seems to conflate the claim that caffeine works as a stimulant, and the claim that in a meaningful sense stimulants increase productivity. I suspect this is true for measured productivity, but not at all obviously true for net production.
(Related: Talents, Blitzed: Drugs in the Third Reich)