In 2010, RELAX conducted a comprehensive survey by questionnaire among 550 persons in Germany and Austria, 4 weeks after purchasing a Relax bed system.

1 scalp, bones of the face, blood supply to the head, brain, ears, sympathetic nerve
2 eyes, ears, sinuses, tongue, forehead, allergies
3 cheeks, outer ear, face bones, teeth, facial nerves, neuralgia, acne, eczemas
4 nose, lips, mouth, Eustachian tube
5 vocal cords, neck, glands, pharynx
6 neck muscles, shoulders, tonsils, pertussis, upper arm
7 thyroid gland, shoulder bursa, elbows, strum

1 forearms, hands, esophagus, trachea, asthma, cough
2 heart, coronary arteries, chest conditions
3 chest, lungs, pleura, bronchial tubes, bronchitis, influenza
4 gallbladder, herpes, zoster
5 liver, solar plexus, circulation, fever, poor circulation
6 stomach, alimentary canal, ructus, heartburn
7 pancreas, duodenum, diabetes, gastritis
8 spleen, diaphragm, stomach
9 adrenal glands, allergies
10 kidneys, kidney problems, nephritis, fatigue
11 kidneys, ureters, skin conditions, acne, eczemas
12 small intestines, lymph circulation, uterine tubes, rheumatism, gas pains

1 large intestines, inguinal rings, inguinal hernia
2 appendix, abdomen, thigh, cramps, varicose veins
3 sex organs, uterus, bladder, knees
4 prostate gland, lower back, sciatic nerve, back pain
5 lower back, buttocks, thighs, legs, feet, hip bones,
haemorrhoids, sacroiliac conditions, anus