Evidence-Based Complementary and Alternative Medicine / 2012 / Article / Fig 2

Research Article

A Comparative Randomised Controlled Trial of the Effects of Brain Wave Vibration Training, Iyengar Yoga, and Mindfulness on Mood, Well-Being, and Salivary Cortisol

Figure 2

The mean (SE) group changes in the PSQI subscales, where a positive change indicates an improvement.