What silence does
It reduces processing load. The auditory system has no eyelids: it analyses continuously, including what goes unnoticed. An unpredictable sound environment holds attention constantly, and that is what tires.
Chronic noise exposure is associated with measurable effects on sleep, blood pressure and cognitive performance, even at levels considered tolerable.
Why some cannot bear it
Because silence removes a mask. What was covered by background sound — thoughts, tinnitus, bodily sensation — becomes audible again. For an anxious person, silence does not soothe: it sharpens worry.
That is not a lack of discipline. It is a reason to choose differently.
A constant, information-free background — rain, a fan, pink noise — gives part of the benefit of silence without the unmasking effect. It is the simplest solution for people whom silence keeps awake.
Building it without building work
Useful silence is not the absence of sound but the absence of surprise. Reducing reverberation — thick rugs, lined curtains, full bookshelves — makes a room calmer without insulating anything, because sound stops bouncing.
Only then do questions of insulation arise, which are expensive and often disappointing.
Measuring it
The difficulty is the same as for any sensory threshold: there is no point of comparison. RÉSONANCE records search for silence and tolerance for noise from behaviour in a space, asking nothing. our piece on personality tests explains why that is more reliable than a questionnaire.