Article written in collaboration with  @theorganizationalpsychologist Research in industrial–organizational (I-O) psychology consistently shows that healthy work boundaries are essential for employee wellbeing and sustainable performance. Rather than being a sign of low commitment, boundaries function as a form of self-regulation that protects limited personal resources (Muraven & Baumeister, 2000; Hobfoll, 1989). This article outlines four evidence-based principles that help