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As millions more of us move to live in densely populated cities, we almost inevitably face living in closer proximity to our neighbours. Neighbour noise can certainly be a source of annoyance \u2013 but could it even be damaging to our health? \nIncreasing evidence suggests that unwanted noise can cause sleep deprivation, distraction and annoyance, as presenter Anand Jagatia finds out. He discovers that noise annoyance has a small but significant impact on our wider health \u2013 including our cardiovascular system \u2013 but that annoyance is not necessarily down to sound alone. Factors such as perception of the neighbourhood and relationships with our neighbours also play a part. \nCrowdScience has examined living with unwanted noises before, and we revisit our trip to the acoustics lab at the University of Salford in Manchester, UK. Here, we meet the researchers and engineers investigating the best ways to make our homes more pleasant for our ears whilst still maintaining the \u2018buzz\u2019 of city life. \nContributors:

Contributors:\nProfessor Charlotte Clark, St George\u2019s University of London\nProfessor Trevor Cox, University of Salford Manchester\nProfessor Bill Davies, University of Salford Manchester\nDr Mags Adams, University of Central Lancashire (formerly University of Salford Manchester, at time of recording)

Produced by Jen Whyntie and presented by Anand Jagatia for the BBC World Service.