Noise sensitivity can be a mental health trigger, but there are things you can do to lessen noise sensitivity (hyperacusis).
They'll just walk into to the movie theatre, ready to buy their ticket, when suddenly, they hear a distant, pitiful wailing. "What's that?" they ask. The person giving them their ticket glances toward the source of noise with a small smile then turns back, rolling their eyes slightly. "Infinity War came out today," they answer. The screaming never stops.