A Comparative Randomised Controlled Trial of the Effects of Brain Wave Vibration Training, Iyengar Yoga, and Mindfulness on Mood, Well-Being, and Salivary Cortisol
Table 7
Mean (SD)* of Global Sleep and the PSQI subscales**.
BWV
Iyengar
Mindfulness
Sample Total
Global Sleep
pre
8.8
7.12
8.45
8.21
(3.59)*
(1.74)
(3.86)
(3.29)
post
7.44
7.02
7.78
7.45
(3.51)
(1.87)
(2.9)
(2.84)
Sleep Quality
pre
2
1.89
2.08
2
(0.74)
(0.6)
(1.08)
(0.83)
post
1.83
1.78
1.83
1.82
(0.72)
(0.44)
(0.72)
(0.64)
Asleep-to-bed
pre
0.8
0.9
0.86
0.85
(0.18)
(0.09)
(0.11)
(0.14)
post
0.88
0.9
1.28
1.03
(0.11)
(0.06)
(1.37)
(0.83)
Sleep Disturbance
pre
1
1.11
1
1.03
(0.43)
(0.78)
(0.43)
(0.53)
post
1
1.11
1
1.03
(0.43)
(0.78)
(0.43)
(0.53)
Sleep Duration
pre
1.17
0.44
0.92
0.88
(1.19)
(0.73)
(1.08)
(1.05)
post
0.83
0.67
0.92
0.82
(1.03)
(0.71)
(1.08)
(0.95)
Sleep Efficiency
pre
0.83
0.22
0.5
0.55
(1.19)
(0.44)
(1)
(0.97)
post
0.5
0.11
0.33
0.33
(0.8)
(0.33)
(0.65)
(0.65)
Sleep Latency
pre
1.75
1.22
1.58
1.55
(0.87)
(0.44)
(0.79)
(0.75)
post
1.31
1
1.42
1.26
(0.67)
(0)
(0.67)
(0.58)
Daytime Dysfunction
pre
1.5
1.33
1.25
1.36
(0.8)
(0.71)
(0.87)
(0.78)
post
1
1.11
0.75
0.94
(0.6)
(0.6)
(0.62)
(0.61)
*
Standard deviations are shown in parentheses. **A lower score corresponds to better sleep.
