Abstract
This study investigated the comprehensive effects of temperature, relative humidity, and light intensity on sleep quality by the method of objective physiological parameters measurement and subjective questionnaires throughout the whole night. According to the orthogonal experimental design method, nine groups of experimental conditions were obtained by combining temperature (17, 20, and 23 °C), relative humidity (40, 55, and 70%), and light intensity (30, 90, and 150 lx). In each condition, electroencephalogram (EEG) was recorded during the whole night. In addition, subjects reported the questionnaires related to environmental sensation and sleep quality before and after sleep. According to the results which were given by subjective questionnaires and objective data, the indoor environmental parameters have effects on different degrees on sleep quality. Especially, temperature is the main factor affecting sleep quality. Meanwhile, the study also gave their comprehensive optimal conditions, which is the temperature at 20 °C, relative humidity at 55%, and light intensity before sleep at 150 lx and at 30 lx before waking up.
Access this chapter
Tax calculation will be finalised at checkout
Purchases are for personal use only
References
Lan, L., et al.: Thermal environment and sleep quality: a review. Energy Build. 149, 101–113 (2017)
He, M., et al.: Evaluation on the performance of quilts based on young people’s sleep quality and thermal comfort in winter. Energy Build. 183, 174–183 (2019)
Pan, L., et al.: Investigation of sleep quality under different temperatures based on subjective and physiological measurements. HVAC&R Res. 18(5), 1030–1043 (2012)
Tsuzuki, K., et al.: Effects of humid heat exposure on sleep thermoregulation, melatonin, and microclimate. J. Therm. Biol. 29, 31–36 (2004)
Caddick, Z.A., et al.: A review of the environmental parameters necessary for an optimal sleep environment. Build. Environ. 132, 11–20 (2018)
Buysse, D.J., et al.: The Pittsburgh sleep quality index: a new instrument for psychiatric practice and research. Psychiatry Res. 28(2), 193–213 (1989)
McNair, D.M., Lorr, M., Droppleman, L.F.: Revised Manual for the Profile of Mood States. Educational and Industrial Testing Services, San Diego, CA (1992)
Fietze, I., et al.: Effect of the first night shift period on sleep in young nurse students. Eur. J. Appl. Physiol. 107(6), 707–714 (2009)
Zilli, I., et al.: Factors involved in sleep satisfaction in the elderly. Sleep Med. 10(2), 233–239 (2009)
Lan, L., et al.: The effects of programmed air temperature changes on sleep quality and energy saving in bedroom. Energy Build. 129, 207–214 (2016)
Lan, L., et al.: Ten questions concerning thermal environment and sleep quality. Build. Environ. 99, 252–259 (2016)
Lan, L., et al.: Comfortably cool bedroom environment during the initial phase of the sleeping period delays the onset of sleep in summer. Build. Environ. 103, 36–43 (2016)
Acknowledgements
This work was supported by the National Key R&D Program of China (2018YFC0704503) and National Natural Science Foundation of China (51478260 and 51778359). For informed consent, it was obtained from all individual participants included in the study.
Author information
Authors and Affiliations
Corresponding author
Editor information
Editors and Affiliations
Rights and permissions
Copyright information
© 2020 Springer Nature Singapore Pte Ltd.
About this paper
Cite this paper
Cao, T., Lian, Z., Miyazaki, R., Bao, J. (2020). Comprehensive Effects of Temperature, Relative Humidity, and Illumination on Sleep Quality. In: Wang, Z., Zhu, Y., Wang, F., Wang, P., Shen, C., Liu, J. (eds) Proceedings of the 11th International Symposium on Heating, Ventilation and Air Conditioning (ISHVAC 2019). ISHVAC 2019. Environmental Science and Engineering(). Springer, Singapore. https://doi.org/10.1007/978-981-13-9520-8_133
Download citation
DOI: https://doi.org/10.1007/978-981-13-9520-8_133
Published:
Publisher Name: Springer, Singapore
Print ISBN: 978-981-13-9519-2
Online ISBN: 978-981-13-9520-8
eBook Packages: Earth and Environmental ScienceEarth and Environmental Science (R0)