NUGA BEST NM-2500 Full Size Thermal Tourmaniun Mattress you can use in bed or in the living room to promote health and immune system, or pure wellness and relaxation. Can be used as an aid for many health related problems such as asthma, fibromyalgia, arthritis, rheumatoid arthritis, joint , migraine, lower back , osteoarthritis, , menstrual and sleep problems or pure prevention and recovery. .