De Oorzaak: Citizen Science Project on the Impact of Environmental Noise

Inclusion Criteria: * Adults (age 18 years old and above) * Both male and female citizens * Living in Antwerp * Bedroom window allows positioning of sound sensor * Indicated in preliminary questionnaires to be interested and willing to participate in the medical trajectory medical trajectory (i.e. sleep study, saliva sample and audiological testing) * Equal distribution between citizens reporting both increased as decreased nuisance due to ambient noise ambient noise * Equal distribution of participants reporting a high or low impact on their sleep quality due to Equal distribution of participants reporting a high or low impact on their sleep quality due to nighttime environmental noise Exclusion Criteria: * Known chronic medical conditions * Smoking * Bad self-reported health condition * Diagnosed chronic diseases