The state of your external environment is always a mirror of your internal one. This is not philosophy. It's neuroscience.
Visual clutter activates the stress response. Your brain scans your environment continuously, unconsciously, and registers each unfinished thing, each pile, each item out of place as an unresolved task. This keeps your nervous system in a low-level activated state all day.
I learned this the hard way. During the hardest years of my life I let my environment reflect my internal state — and it became increasingly difficult to think clearly, rest deeply, or feel calm.
The moment I started clearing — not dramatically, not a whole house at once, but one surface at a time — something in my nervous system began to settle. The physical clearing was also an internal one.
Walk through your home with one question: does this thing have a place, and is it in its place? The things that don't have places are creating the noise. Give them a place. Or let them go.