Around midnight at Samsung Electronics’ semiconductor offices outside Seoul, Han Ki-bak, a chip design engineer, saw a colleague collapse after working months of grueling late nights. Stunned, Han couldn’t move. “Because I had pulled so many all-nighters, I was out of my mind. Instead of rushing to help her, I just sat in my chair, wondering, ‘What should I do?’” he recalled about the incident in 2020, speaking to Rest of World. As paramedics arrived, Han looked on in a daze. Years later, Han, t...