Construction is part and parcel of a growing Singapore, but imagine what it is like when the noise becomes impossible to escape. Some Punggol residents living beside works for the Cross Island Line extension say drilling and machinery have disrupted their sleep, studying and daily routines. 

But beyond being annoying, what does living with constant noise actually do to us? From our sleep and stress levels to our hearing and overall wellbeing, when does everyday city noise become noise pollution?