Most of us spend eight to ten hours a day staring at a glowing rectangle, sitting in a chair that promised "ergonomic support" back when it was manufactured in 2012. You sit down at 8 a.m. feeling fresh, and by 3 p.m. your lower back feels like a dried pretzel, and your eyes burn like you’ve been staring into a welding torch.
Physical discomfort isn't just a minor annoyance at the end of the afternoon. It ruins focus, slows down output, and turns basic tasks into grind-it-out chores. Fortunately, tuning your desk setup for human longevity doesn't require thousands of dollars in speculative gear. The process is actually pretty simple once you know which variables matter.