Efficacy Study of Relaxation to 12 Weeks Against Placebo in the Overall Care Chronic Pain in Patients With Fibromyalgia

Inclusion Criteria: * Men or women over 18 years * established diagnosis of fibromyalgia as defined by the American College of Rheumatology: widespread pain and eleven tender points at 18 sites listed (ACR, 1990) * EVA ≥ 4 (on a scale of 10 cm) * no change in treatment for 15 days, except for treatment "on demand" or "rescue" * patient has given its written consent * patient wishing to benefit from relaxation sessions * people who can meet the self-assessment and hetero-assessment * people with a social security number Exclusion Criteria: * any painful situation that cannot be distinguished from fibromyalgia pain by the patient * patients untreated or treated for less than a month * patient with psychosis or severe depression or severe anxiety or impulsivity characterized, at the discretion of the clinician. * patients receiving benzodiazepines at the request * patient with deafness * patient after a body treatment using a relaxation method, relaxation therapy or hypnosis