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McCabe SM, Abbiss CR, Libert JP, Bach V. Functional links between thermoregulation and sleep in children with neurodevelopmental and chronic health conditions. Front Psychiatry 2022; 13:866951. [PMID: 36451768 PMCID: PMC9703054 DOI: 10.3389/fpsyt.2022.866951] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Accepted: 10/24/2022] [Indexed: 11/16/2022] Open
Abstract
The bi-directional relationship between sleep and wake is recognized as important for all children. It is particularly consequential for children who have neurodevelopmental disorders (NDDs) or health conditions which challenge their sleep and biological rhythms, and their ability to maintain rhythms of participation in everyday activities. There are many studies which report the diverse reasons for disruption to sleep in these populations. Predominantly, there is focus on respiratory, pharmaceutical, and behavioral approaches to management. There is, however, little exploration and explanation of the important effects of body thermoregulation on children's sleep-wake patterns, and associated behaviors. Circadian patterns of sleep-wake are dependent on patterns of body temperature change, large enough to induce sleep preparedness but remaining within a range to avoid sleep disturbances when active thermoregulatory responses against heat or cold are elicited (to maintain thermoneutrality). Additionally, the subjective notion of thermal comfort (which coincides with the objective concept of thermoneutrality) is of interest as part of general comfort and associated behavioral responses for sleep onset and maintenance. Children's thermoregulation and thermal comfort are affected by diverse biological functions, as well as their participation in everyday activities, within their everyday environments. Hence, the aforementioned populations are additionally vulnerable to disruption of their thermoregulatory system and their capacity for balance of sleep and wakefulness. The purpose of this paper is to present hitherto overlooked information, for consideration by researchers and clinicians toward determining assessment and intervention approaches to support children's thermoregulation functions and promote their subjective thermal comfort, for improved regulation of their sleep and wake functions.
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Affiliation(s)
- Susan M McCabe
- School of Medical and Health Sciences, Edith Cowan University, Joondalup, WA, Australia
| | - Chris R Abbiss
- School of Medical and Health Sciences, Edith Cowan University, Joondalup, WA, Australia
| | | | - Véronique Bach
- PeriTox UMR_I 01, University of Picardie Jules Verne, Amiens, France
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Song C, Liu Y, Zhou X, Wang D, Wang Y, Liu J. Identification of local thermal conditions for sleeping comfort improvement in neutral to cold indoor thermal environments. J Therm Biol 2020; 87:102480. [PMID: 31999607 DOI: 10.1016/j.jtherbio.2019.102480] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Revised: 12/06/2019] [Accepted: 12/06/2019] [Indexed: 10/25/2022]
Abstract
The effect of the thermal environment on sleep quality has attracted considerable attention, as sleep forms one-third of human lifetime and the occupied space is largely constrained during sleep. With an increasing development of partial space regulation and task air conditioning systems and devices, thermal comfort demand concerning local thermal conditions has attracted more and more attention. In the present study, experiment was conducted and data mining technologies were performed to investigate correlations between local thermal conditions and whole body thermal comfort in sleeping state. The identification of local thermal condition included two steps: the first step was to clarify thermal sensation links between local and covered body, and the second step was to identify local thermal sensation inclination towards different thermal comfort levels. Thermal sensation correlations among local body parts and covered body were obtained. Back, face, and thigh were identified as three dominant linear-correlated local parts with weighting factors 0.488, 0.388, and 0.152, respectively; in addition, chest, arm, leg and foot were found as non-negligible local parts in the estimation of covered body thermal sensation. By dividing the sleeping human body into three parts as head, trunk and extremity, the proper local thermal sensations and their coupling relationships for whole body sleeping thermal comfort have been elaborated by three rules. The present study provides implications in sleeping thermal environment regulation in neutral to cold indoor conditions.
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Affiliation(s)
- Cong Song
- State Key Laboratory of Green Building in Western China, Xi'an University of Architecture and Technology, Xi'an, Shaanxi, 710055, China; School of Building Services Science and Engineering, Xi'an University of Architecture and Technology, Xi'an, Shaanxi, 710055, China.
| | - Yanfeng Liu
- State Key Laboratory of Green Building in Western China, Xi'an University of Architecture and Technology, Xi'an, Shaanxi, 710055, China; School of Building Services Science and Engineering, Xi'an University of Architecture and Technology, Xi'an, Shaanxi, 710055, China
| | - Xiaojun Zhou
- School of Human Settlements and Civil Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi, 710054, China
| | - Dengjia Wang
- State Key Laboratory of Green Building in Western China, Xi'an University of Architecture and Technology, Xi'an, Shaanxi, 710055, China; School of Building Services Science and Engineering, Xi'an University of Architecture and Technology, Xi'an, Shaanxi, 710055, China
| | - Yingying Wang
- State Key Laboratory of Green Building in Western China, Xi'an University of Architecture and Technology, Xi'an, Shaanxi, 710055, China; School of Building Services Science and Engineering, Xi'an University of Architecture and Technology, Xi'an, Shaanxi, 710055, China
| | - Jiaping Liu
- State Key Laboratory of Green Building in Western China, Xi'an University of Architecture and Technology, Xi'an, Shaanxi, 710055, China
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Park SJ, Waterhouse J. Diurnal variations of heart rate, urine flow and catecholamine excretion in subjects wearing clothing that provides different thermal insulation. BIOL RHYTHM RES 2016. [DOI: 10.1080/09291016.2016.1164286] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Park SJ. Effects of softness of bedding materials upon overnight excretion of urinary catecholamines and sleep quality in warm environmental conditions. BIOL RHYTHM RES 2014. [DOI: 10.1080/09291016.2014.950090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Park SJ, Waterhouse J. A comparison between rhythms in forehead skin and rectal (core) temperature in sedentary subjects living in a thermally neutral environment. BIOL RHYTHM RES 2013. [DOI: 10.1080/09291016.2013.830849] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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