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Open AccessJournal ArticleDOI

Before-after field study of effects of wind turbine noise on polysomnographic sleep parameters.

TLDR
The result of this study based on advanced sleep recording methodology together with extensive noise measurements in an ecologically valid setting cautiously suggests that there are no major changes in the sleep of participants who host new industrial WTs in their community.
Abstract
Wind is considered one of the most advantageous alternatives to fossil energy because of its low operating cost and extensive availability. However, alleged health-related effects of exposure to wind turbine (WT) noise have attracted much public attention and various symptoms, such as sleep disturbance, have been reported by residents living close to wind developments. Prospective cohort study with synchronous measurement of noise and sleep physiologic signals was conducted to explore the possibility of sleep disturbance in people hosting new industrial WTs in Ontario, Canada, using a pre and post-exposure design. Objective and subjective sleep data were collected through polysomnography (PSG), the gold standard diagnostic test, and sleep diary. Sixteen participants were studied before and after WT installation during two consecutive nights in their own bedrooms. Both audible and infrasound noises were also concurrently measured inside the bedroom of each participant. Different noise exposure parameters were calculated (LAeq, LZeq) and analyzed in relation to whole-night sleep parameters. Results obtained from PSG show that sleep parameters were not significantly changed after exposure. However, reported sleep qualities were significantly (P = 0.008) worsened after exposure. Average noise levels during the exposure period were low to moderate and the mean of inside noise levels did not significantly change after exposure. The result of this study based on advanced sleep recording methodology together with extensive noise measurements in an ecologically valid setting cautiously suggests that there are no major changes in the sleep of participants who host new industrial WTs in their community. Further studies with a larger sample size and including comprehensive single-event analyses are warranted.

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Citations
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Infrasound Does Not Explain Symptoms Related to Wind Turbines

TL;DR: In this paper, the authors present the implementation of the Government Plan for Analysis, Assessment, and Research (tietokayttoonfi) as part of the implementation process of the 2014-2018 Budget.

Wind turbine noise effects on sleep: The WiTNES study

TL;DR: In this article, the authors investigated the physiological effects of wind turbine noise on sleep using polysomnography and self-reporting protocols and found that half of the participants lived within 1km of at least one turbine and the remaining participants were not exposed to WTN at home.
Journal ArticleDOI

Sleep actigraphy time-synchronized with wind turbine output.

TL;DR: In this paper, the authors analyzed sleep actigraphy data (participant sleep nights = 2,094, males = 151, females = 192) in 10 min intervals time-synchronized to wind turbine supervisory control and data acquisition.
Journal ArticleDOI

Scoping review to understand the potential for public health impacts of transitioning to lower carbon emission technologies and policies

TL;DR: In this article, the authors conducted a systematic search of Medline, Web of Science, PubMed and EMBASE to identify the potential for unintended health impacts, and to understand where the knowledge gaps lie with respect to health.
Journal ArticleDOI

Understanding subjective and situational factors of wind turbine noise annoyance

TL;DR: In this paper , a field study with strongly annoyed residents (SAR) was conducted to understand why some residents experience stress effects from wind turbines, and they were characterized by a negative perception of both procedural as well as distributive fairness, the assumed decrease of property value due to the WTs, a negative attitude towards the local wind farm (but not to WTs in general), and higher noise sensitivity.
References
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Journal ArticleDOI

Auditory and non-auditory effects of noise on health

TL;DR: The importance of adequate noise prevention and mitigation strategies for public health is stressed, as Observational and experimental studies have shown that noise exposure leads to annoyance, disturbs sleep and causes daytime sleepiness.
Journal ArticleDOI

The first night effect: an EEG study of sleep.

TL;DR: The electroencephalographic records from 43 subjects who slept for four consecutive nights in a laboratory environment showed that the first night of laboratory sleep contains more awake periods and less Stage I-rapid eye movement sleep.

Auditory and non-auditory eff ects of noise on health

TL;DR: In this paper, the authors stress the importance of adequate noise prevention and mitigation strategies for public health and stress that noise exposure leads to annoyance, disturbs sleep and causes daytime sleepiness, aff ects patient outcomes and staff performance in hospitals, increases the occurrence of hypertension and cardiovascular disease, and impairs cognitive performance in schoolchildren.
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The result of this study based on advanced sleep recording methodology together with extensive noise measurements in an ecologically valid setting cautiously suggests that there are no major changes in the sleep of participants who host new industrial WTs in their community.