Easiest way to control mind is to exhaust it: A. Roza, former spy

Former secret agent Aliia Roza revealed on the podcast that spy training was built to break recruits through exhaustion. Sleeping just four hours a day, she became too drained to resist. “You don't have time to digest what's going on, and you accept all the information you're given,” she said, calling fatigue the easiest route to controlling a mind.