Table 2 Studies on the effects of JSB on sleep
From: A review of Japanese-style bathing: its demerits and merits
Author (year) | Subjects | Bathing | Time Before bedtime | Sleep assessment | ⧍Tc (°C) | Ta (°C) | Research objective | |||
|---|---|---|---|---|---|---|---|---|---|---|
N | Age (SD) | Tw (°C) | Duration (min) | Body site | ||||||
Horne and Shackll (1987) [71] | 3M, 3F | 21–33 | 41.0 | 30 | Mid-thorax | 5.3 h | PSG, Tc, SS | 2 | − | Timing |
41.0 | 30 | 2.3 h | 2 | |||||||
Dowdell and Javaheri (1992) [79] | 7M | 59.0 (4.5) | 41.0 | 30 | Upper- chest | 2.5 h | PSG | 2 | 19.5 | Apnea/hypopnea |
Dorsey et al. (1996) [80] | 9F | 65.1 (3.3) | 40.3 | 30 | Mid-thorax | 1.5 h | PSG, Act, Tc, SS | 0.9 | − | Water temperature |
9F | 38.0 | 30 | 1.5 h | 0.2 | ||||||
Dorsey et al. (1999) [81] | 14F | 60–73 | 40.3 | 30 | Mid-thorax | 1.75–2 h | PSG, Tc | 0.7 | − | Insomnia |
Kanda et al. (1999) [54] | 10M, 20F | 20.5 (0.2) | 40.7 | 10- | Neck | 0.5h– | BM, Tc, SS | 0.7 | 8–12 | Field study |
13M, 17F | 73.2 (0.9) | 40.2 | 10- | Neck | 0.5 h– | 0.6 | ||||
Sung and Tochihara (2000) [55] | 9F | 21–40 | 40.0 | 20 | Shoulder | 0.5 h | PSG, BM, Tc, SS | 1 | 10 | Footbath |
9F | 21–40 | 42.0 | 30 | Knee | 0.5 h | 0 | 10 | |||
Sung et al. (2000) [82] | 8M | 22.0 (3.0) | 40.0 | 20 | Shoulder | 0.3 h | PSG, BM, Tc, SS | 0.9 | 10 | Timing |
8M | 40.0 | 20 | Shoulder | 1.5 h | 0.8 | 10 | ||||
Mishima et al. (2005) [56] | 2M, 1F | 76.9 | 40.0 | 30 | Mid-thorax | 2.0 h | DLMO, Act Tc, HRV | 0.8 | 24 | Dementia |
Inagaki et al. (2007) [83] | 6F | 21.6 (0.6) | 40.0 | 10 | Neck | 0.5 h | PSG, HRV Tc, SS | 0.5 | 27 | Timing |
6F | 40.0 | 10 | Neck | 1.0 h | 0.4 | 27 | ||||
6F | 40 | 10 | Neck | 2.0 h | 0.4 | 27 | ||||