Will daytime occupational noise exposures induce nighttime sleep disturbance?

Cheng Yu Lin, Perng Jy Tsai, Kuei Yi Lin, Chih Yong Chen, Lin Hui Chung, Jiunn Liang Wu, Yueliang Leon Guo

研究成果: Article

1 引文 (Scopus)

摘要

Background: Nighttime environmental noise affects sleep quality. However, the effects of daytime occupational noise remain unclear. Methods: A quasi-experiment of 48 participants who had been employed for at least six months in two hospital cafeterias. The participants were randomly designated to be assessed on high- and low-noise workdays for 8 h or low- and high-noise workdays, separated by a washout period of 14 days. Subsequently, pure tone audiometry, autonomic nervous system (ANS) function tests, serum cortisol tests, and polysomnography were conducted. Results: For the 40 participants in the study, the 8-h time-weighted average of personal noise exposed on high- and low-noise workdays was 76.8 dBA (standard deviation, SD: 6.2) and 61.0 dBA (SD: 7.1), respectively. Participants with higher personal noise exposure during the day were found to have a lower percentage of slow wave sleep (percent change of mean value: −1.287%; 95% CI: −2.602%, −0.037%) and lower sleep efficiency (−0.267%; 95% CI: −0.525%, −0.008%). In addition, after work, personal noise exposure was revealed to be related to increased serum cortisol levels (1.698%; 95% CI: 0.887%, 2.528%), and sympathetic activity as measured by low frequency/high frequency (3.000%; 95% CI: 1.294%, 4.706%) and blood pressures by cold pressor test (systolic: 5.163%; 95% CI: 2.780%, 7.537%) (diastolic: 3.109%; 95% CI: 1.604%, 4.614%). Conclusions: Daytime occupational noise exposure had sustained effects on nighttime sleep quality, specifically on slow wave sleep and sleep efficiency. These disturbances could be partially explained by post-shift elevated cortisol and ANS activity. The psychosocial and metabolic consequences of poorer sleep quality induced by occupational noise exposure warrant further investigation.

原文English
頁(從 - 到)87-96
頁數10
期刊Sleep Medicine
50
DOIs
出版狀態Published - 2018 十月

指紋

Occupational Noise
Occupational Exposure
Noise
Sleep
Hydrocortisone
Autonomic Nervous System
Pure-Tone Audiometry
Polysomnography
Serum

All Science Journal Classification (ASJC) codes

  • Medicine(all)

引用此文

Lin, Cheng Yu ; Tsai, Perng Jy ; Lin, Kuei Yi ; Chen, Chih Yong ; Chung, Lin Hui ; Wu, Jiunn Liang ; Guo, Yueliang Leon. / Will daytime occupational noise exposures induce nighttime sleep disturbance?. 於: Sleep Medicine. 2018 ; 卷 50. 頁 87-96.
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title = "Will daytime occupational noise exposures induce nighttime sleep disturbance?",
abstract = "Background: Nighttime environmental noise affects sleep quality. However, the effects of daytime occupational noise remain unclear. Methods: A quasi-experiment of 48 participants who had been employed for at least six months in two hospital cafeterias. The participants were randomly designated to be assessed on high- and low-noise workdays for 8 h or low- and high-noise workdays, separated by a washout period of 14 days. Subsequently, pure tone audiometry, autonomic nervous system (ANS) function tests, serum cortisol tests, and polysomnography were conducted. Results: For the 40 participants in the study, the 8-h time-weighted average of personal noise exposed on high- and low-noise workdays was 76.8 dBA (standard deviation, SD: 6.2) and 61.0 dBA (SD: 7.1), respectively. Participants with higher personal noise exposure during the day were found to have a lower percentage of slow wave sleep (percent change of mean value: −1.287{\%}; 95{\%} CI: −2.602{\%}, −0.037{\%}) and lower sleep efficiency (−0.267{\%}; 95{\%} CI: −0.525{\%}, −0.008{\%}). In addition, after work, personal noise exposure was revealed to be related to increased serum cortisol levels (1.698{\%}; 95{\%} CI: 0.887{\%}, 2.528{\%}), and sympathetic activity as measured by low frequency/high frequency (3.000{\%}; 95{\%} CI: 1.294{\%}, 4.706{\%}) and blood pressures by cold pressor test (systolic: 5.163{\%}; 95{\%} CI: 2.780{\%}, 7.537{\%}) (diastolic: 3.109{\%}; 95{\%} CI: 1.604{\%}, 4.614{\%}). Conclusions: Daytime occupational noise exposure had sustained effects on nighttime sleep quality, specifically on slow wave sleep and sleep efficiency. These disturbances could be partially explained by post-shift elevated cortisol and ANS activity. The psychosocial and metabolic consequences of poorer sleep quality induced by occupational noise exposure warrant further investigation.",
author = "Lin, {Cheng Yu} and Tsai, {Perng Jy} and Lin, {Kuei Yi} and Chen, {Chih Yong} and Chung, {Lin Hui} and Wu, {Jiunn Liang} and Guo, {Yueliang Leon}",
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Will daytime occupational noise exposures induce nighttime sleep disturbance? / Lin, Cheng Yu; Tsai, Perng Jy; Lin, Kuei Yi; Chen, Chih Yong; Chung, Lin Hui; Wu, Jiunn Liang; Guo, Yueliang Leon.

於: Sleep Medicine, 卷 50, 10.2018, p. 87-96.

研究成果: Article

TY - JOUR

T1 - Will daytime occupational noise exposures induce nighttime sleep disturbance?

AU - Lin, Cheng Yu

AU - Tsai, Perng Jy

AU - Lin, Kuei Yi

AU - Chen, Chih Yong

AU - Chung, Lin Hui

AU - Wu, Jiunn Liang

AU - Guo, Yueliang Leon

PY - 2018/10

Y1 - 2018/10

N2 - Background: Nighttime environmental noise affects sleep quality. However, the effects of daytime occupational noise remain unclear. Methods: A quasi-experiment of 48 participants who had been employed for at least six months in two hospital cafeterias. The participants were randomly designated to be assessed on high- and low-noise workdays for 8 h or low- and high-noise workdays, separated by a washout period of 14 days. Subsequently, pure tone audiometry, autonomic nervous system (ANS) function tests, serum cortisol tests, and polysomnography were conducted. Results: For the 40 participants in the study, the 8-h time-weighted average of personal noise exposed on high- and low-noise workdays was 76.8 dBA (standard deviation, SD: 6.2) and 61.0 dBA (SD: 7.1), respectively. Participants with higher personal noise exposure during the day were found to have a lower percentage of slow wave sleep (percent change of mean value: −1.287%; 95% CI: −2.602%, −0.037%) and lower sleep efficiency (−0.267%; 95% CI: −0.525%, −0.008%). In addition, after work, personal noise exposure was revealed to be related to increased serum cortisol levels (1.698%; 95% CI: 0.887%, 2.528%), and sympathetic activity as measured by low frequency/high frequency (3.000%; 95% CI: 1.294%, 4.706%) and blood pressures by cold pressor test (systolic: 5.163%; 95% CI: 2.780%, 7.537%) (diastolic: 3.109%; 95% CI: 1.604%, 4.614%). Conclusions: Daytime occupational noise exposure had sustained effects on nighttime sleep quality, specifically on slow wave sleep and sleep efficiency. These disturbances could be partially explained by post-shift elevated cortisol and ANS activity. The psychosocial and metabolic consequences of poorer sleep quality induced by occupational noise exposure warrant further investigation.

AB - Background: Nighttime environmental noise affects sleep quality. However, the effects of daytime occupational noise remain unclear. Methods: A quasi-experiment of 48 participants who had been employed for at least six months in two hospital cafeterias. The participants were randomly designated to be assessed on high- and low-noise workdays for 8 h or low- and high-noise workdays, separated by a washout period of 14 days. Subsequently, pure tone audiometry, autonomic nervous system (ANS) function tests, serum cortisol tests, and polysomnography were conducted. Results: For the 40 participants in the study, the 8-h time-weighted average of personal noise exposed on high- and low-noise workdays was 76.8 dBA (standard deviation, SD: 6.2) and 61.0 dBA (SD: 7.1), respectively. Participants with higher personal noise exposure during the day were found to have a lower percentage of slow wave sleep (percent change of mean value: −1.287%; 95% CI: −2.602%, −0.037%) and lower sleep efficiency (−0.267%; 95% CI: −0.525%, −0.008%). In addition, after work, personal noise exposure was revealed to be related to increased serum cortisol levels (1.698%; 95% CI: 0.887%, 2.528%), and sympathetic activity as measured by low frequency/high frequency (3.000%; 95% CI: 1.294%, 4.706%) and blood pressures by cold pressor test (systolic: 5.163%; 95% CI: 2.780%, 7.537%) (diastolic: 3.109%; 95% CI: 1.604%, 4.614%). Conclusions: Daytime occupational noise exposure had sustained effects on nighttime sleep quality, specifically on slow wave sleep and sleep efficiency. These disturbances could be partially explained by post-shift elevated cortisol and ANS activity. The psychosocial and metabolic consequences of poorer sleep quality induced by occupational noise exposure warrant further investigation.

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