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Effects of different noise combinations on sleep, as assessed by a general questionnaire

Authors
Journal
Applied Acoustics
0003-682X
Publisher
Elsevier
Publication Date
Volume
71
Issue
9
Identifiers
DOI: 10.1016/j.apacoust.2010.05.004
Keywords
  • Sleep Disturbance
  • Combined Noise Sources
  • Questionnaire

Abstract

Abstract In the present study, the effects of different noise combinations on sleep were assessed in two contexts, with a single noise source and with combined noise sources. Road traffic noise, and construction or movie noise combined with road traffic noise were used as the single noise source and the combined noise sources, respectively. When the sound pressure level of road traffic noise was kept constant, levels of the construction and movie noise were changed. Twenty participants were followed for approximately 2 weeks, during which their sleep was evaluated using a questionnaire, including questions on sleeping behavior, premature awakening, and subjective responses. The results showed that the combined noise sources including construction noise decreased the number of participants who fell asleep within an hour and increased the number that were awakened prematurely compared to the effects of road traffic noise combined with movie noise. However, similar tendencies were observed while evaluating sleep quality, sleep disturbance, and annoyance.

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