Table 1: Subjective sleep, pain, and well-being feedback.

CategoriesTest subjects*Control subjects**
SameImprovedSameImproved

Time to fall asleep4 = 15%23 = 85%20 = 87%3 = 13%
Quality of sleep2 = 7%25 = 93%20 = 87%3 = 13%
Wake feeling rested0 = 0%27 = 100%20 = 87%3 = 13%
Muscles stiffness and pain5 = 18%22 = 82%23 = 100%0 = 0%
Chronic back and/or joint pain7 = 26%20 = 74%23 = 100%0 = 0%
General well-being6 = 22%21 = 78%20 = 87%3 = 13%

*Reports not received from three participants.
**Reports not received from seven participants.