Simatupang, S., Aldiansah, F.E., Manurung, H.M., Putra, H.S. and Indajang, K. 2026. Power Nap: The Secret Of A Simple 20-Minute Investment That Supports Employee Work Productivity. International Journal of Economics, Business and Innovation Research. 5, 02 (Mar. 2026), 533-544. DOI:https://doi.org/10.63922/ijebir.v5i02.3056.