the.com/quietness
The state where the loudest thing in the room is your own thoughts.
means The condition of being quiet — low in noise, motion, or fuss, whether in a place, a person, or a moment.
from From Old French quiete and Latin quies, meaning rest or repose — the same root sleeping inside quiet, acquiesce, and the deceptively calm quietus.
Not silenceSilence is zero sound; quietness is just gentle ones.
MeasurableA library hums around 40 decibels, far from nothing.
True silence killsAnechoic chambers grow unbearable within minutes.