As remote and hybrid work become the norm, prolonged sitting dominates the day for many. Unconscious poor posture leads to neck, shoulder, and back strain, reduced focus, and lower productivity. Ergonomic furniture is costly and can’t give timely nudges; phone reminders are intrusive and easy to ignore. People need a lightweight, low-disruption way to prompt in-the-moment micro-adjustments. SITGUARD was built for exactly this.