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Effects of Body Pillow Use on Sleeping Posture and Sleep Architecture in Healthy Young Adults

Sleep Medicine Research 2021년 12권 1호 p.57 ~ 63
박인성, Suzuki Chihiro, Suzuki Yoko, Kawana Fusae, Yajima Katsuhiko, Fukusumi Shoji, Kokubo Toshio, Tokuyama Kumpei, Yanagisawa Masashi, Satoh Makoto,
소속 상세정보
박인성 ( Park In-Sung ) - University of Tsukuba International Institute for Integrative Sleep Medicine
 ( Suzuki Chihiro ) - University of Tsukuba International Institute for Integrative Sleep Medicine
 ( Suzuki Yoko ) - University of Tsukuba International Institute for Integrative Sleep Medicine
 ( Kawana Fusae ) - University of Tsukuba International Institute for Integrative Sleep Medicine
 ( Yajima Katsuhiko ) - Josai University Faculty of Pharmaceutical Sciences
 ( Fukusumi Shoji ) - University of Tsukuba International Institute for Integrative Sleep Medicine
 ( Kokubo Toshio ) - University of Tsukuba International Institute for Integrative Sleep Medicine
 ( Tokuyama Kumpei ) - University of Tsukuba International Institute for Integrative Sleep Medicine
 ( Yanagisawa Masashi ) - University of Tsukuba International Institute for Integrative Sleep Medicine
 ( Satoh Makoto ) - University of Tsukuba International Institute for Integrative Sleep Medicine

Abstract


Background and Objective: Patients with position-dependent obstructive sleep apnea have a > 2-fold higher apnea-hypopnea index when sleeping in a supine position compared with a non-supine position. We investigated the effect of body pillow use on sleeping body position and sleep architecture in healthy young adults.

Methods: In experiment 1, we evaluated the body pressure distribution with or without body pillow use in 8 healthy young adults [age, 36.5 ± 13.0 years; body mass index (BMI); 20.6 ± 1.2 kg/m2]. In experiment 2, we performed a randomized-crossover intervention study to evaluate the effects of body pillow use on sleeping position and sleep architecture in 10 healthy young adults (age, 24.3 ± 7.8 years; BMI, 21.4 ± 1.7 kg/m2). Sleep architecture was characterized by polysomnography, and body positions were monitored using a sensor. Subjective sleep quality was evaluated with the Oguri-Shirakawa-Azumi sleep inventory, middle age and aged version.

Results: In experiment 1, body pillow use significantly reduced mean body pressure on the shoulder, hip, and whole body. In experiment 2, mean time spent in the supine, lateral, and prone body positions did not differ significantly between the 2 trials. Body pillow use, however, significantly extended the sustained time spent in the lateral body position compared with the control trial. Subjective sleep quality and sleep architecture did not differ significantly between the 2 trials, but body pillow use decreased the number of short (30 s) slow-wave sleep episodes.

Conclusions: Sleeping with a body pillow effectively extends sustained time in a lateral sleeping position and prevents segmentation of slow-wave sleep episodes.

키워드

Body pillow; Sleeping body position; Lateral position; Sleep architecture; Energy expenditure

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