Awakenings related to noises from various traffic modes
Griefahn, Barbara and Basner, Mathias and Marks, Anke (2006) Awakenings related to noises from various traffic modes. In: 2006 Inter-Noise Proceedings, Paper N° IN06-160. Inter-Noise 2006 (35th International Congress on Noise Control Engineering), 2006-12-03 - 2006-12-06, Honolulu, Hawaii (USA).
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AIM: To test the hypothesis that aircraft noise causes more awakenings and alterations of sleep structure than rail and road traffic noise. METHODS: 12 women and 12 men (19-28 years) slept, following a habituation night, 4 nights each during 3 consecutive weeks in the laboratory. They were exposed with weekly changes to road-, rail-, or aircraft noise. Each week consisted of a random sequence of a quiet night and 3 nights with equivalent noise levels of 39, 44 and 50 dBA indoors. The polysomnogram was recorded throughout all nights, sleep quality was assessed and performance tests were completed in the morning. RESULTS: Noise-induced awakenings and structural parameters of sleep, subjective quality and performance indicated more disturbances with increasing noise levels. Where decreased subjective sleep quality was not related to the type of noise, noise-induced awakenings and other physiological parameters of sleep were most affected by rail and least by road traffic noise. CONCLUSIONS: As road-, rail- and aircraft noise caused the same after-effects but different physiological effects integrated noise metrics might be suitable for the prediction of subjective sleep quality but not for the physiological disturbances of sleep.
|Document Type:||Conference or Workshop Item (Speech, Paper)|
|Title:||Awakenings related to noises from various traffic modes|
|Journal or Publication Title:||2006 Inter-Noise Proceedings, Paper N° IN06-160|
|Keywords:||Traffic noise, noise levels, sleep, awakenings, alterations of sleep structure, polysomnogram, performance tests|
|Event Title:||Inter-Noise 2006 (35th International Congress on Noise Control Engineering)|
|Event Location:||Honolulu, Hawaii (USA)|
|Event Type:||international Conference|
|Event Dates:||2006-12-03 - 2006-12-06|
|HGF - Research field:||Aeronautics, Space and Transport|
|HGF - Program:||Aeronautics|
|HGF - Program Themes:||L VU - Air Traffic and Environment|
|DLR - Research area:||Aeronautics|
|DLR - Program:||L VU - Air Traffic and Environment|
|DLR - Research theme (Project):||L - Quiet Air Traffic (old)|
|Institutes and Institutions:||Institute of Aerospace Medicine > Flight Physiology|
|Deposited By:||Louise Mawet|
|Deposited On:||28 Feb 2007|
|Last Modified:||27 Apr 2009 13:32|
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