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Wind Turbine Noise Effects on Sleep: The WiTNES study

Conference paper
Authors Michael Smith
Mikael Ögren
Pontus Thorsson
Laith Hussain-Alkhateeb
Eja Pedersen
Jens Forssén
Julia Ageborg Morsing
Kerstin Persson Waye
Published in ICBEN 2017
Publication year 2017
Published at Institute of Medicine, Department of Public Health and Community Medicine
Institute of Medicine, Department of Public Health and Community Medicine, Section of Occupational and environmental medicine
Language en
Links https://www.researchgate.net/profil...
https://gup.ub.gu.se/file/206796
Subject categories Public health medicine research areas, Neurosciences, Acoustics

Abstract

Onshore wind turbines are becoming increasingly widespread globally, with the associated net effect that a greater number of people will be exposed to wind turbine noise (WTN). Sleep disturbance by WTN has been suggested to be of particular importance with regards to a potential impact on human health. Within the Wind Turbine Noise Effects on Sleep (WiTNES) project, we have experimentally investigated the physiological effects of night time WTN on sleep using polysomnography and self-reporting protocols. Fifty participants spent three nights in the sound exposure laboratory. To examine whether habituation or sensitisation occurs among populations with long-term WTN exposure, approximately half of the participants lived within 1km of at least one turbine. The remaining participants were not exposed to WTN at home. The first night served for habituation and one WTN-free night served to measure baseline sleep. Wind turbine noise (LAEq,indoor,night=31.9 dB) was introduced in one night. This exposure night included variations in filtering, corresponding to a window being fully closed or slightly open, and variations in amplitude modulation.

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