What do I do when my work stops feeling like it matters?

You used to feel your work mattered, and now you cannot say what it is for. That loss is disorienting, because purpose was the thing that made the hard parts worth doing. When it goes quiet, the same tasks that once felt meaningful start to feel like motion with no direction. It is unsettling, and it is also more common than you think. The purpose has not necessarily vanished. Often it has just gotten buried under routine, fatigue, and distance from the people your work actually touches. When you spend all day on the mechanics of the job, you lose sight of who is on the other end of it. Meaning tends to live in that connection, not in the tasks themselves, and it fades when the connection goes out of view. Go looking for the far end of your work. Ask who is actually helped, however small or indirect, and get close to one real example. Talk to a customer, revisit why you started, notice one thing your effort made possible for someone. You are not manufacturing purpose out of nothing. You are clearing away what buried it, to see whether the thing that once mattered is still there.