Of course, there are sounds that we like to hear, and then there are those sounds that really grate – annoy or irritate… … like the beeping sound on a reversing lorry or someone drilling a hole in the road.
There are these proximity tracking devices that will beep or flash when players or staff get too close to one another, and then that data is collected, making contact tracing easier if someone does become infected.
She worked out that, if the left hemisphere was staying alert to keep guard in a strange environment, then it would react to the irregular beeps by stirring people from sleep and would ignore the regularly timed ones.