「Effect of napping on a bean bag chair on sleep stage, muscle activity, and heart rate variability」
Masaki Nishida1,2, Atsushi Ichinose1,2, Yusuke Murata2 and Kohei Shioda2,3
1 Faculty of Sport Sciences, Waseda University, Tokorozawa, Saitama, Japan
2 Sleep Research Institute, Waseda University, Shinjuku, Tokyo, Japan
3 Faculty of Human Sciences, Kanazawa Seiryo University, Kanazawa, Ishikawa, Japan
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