Fibromyalgia Syndrome in France: The Role of Assessment and Management of Sleep Disorders

Inclusion Criteria: * Age ≥ 18 years old * Read, write and understand the French language * Patient with a diagnosis of Fibromyalgia Syndrome according to ACR 2010 criteria: Painful symptoms present at the same intensity for at least 3 months, WPI ≥ 7 and SSS ≥ 5 OR 3 ≤ WPI ≤ 6 and SSS ≥ 9, Any other cause responsible for chronic osteoarticular pain must be excluded.Primary or secondary fibromyalgia is eligible, at the discretion of the investigator. * Patient seen in consultation for the first time or for a follow-up visit if the patient has already been followed up in the specialized chronic pain structure for less than a year. * Have access to an internet connection (for the realization of the "patient questionnaire") * Patient affiliated to a social security system * Written and signed informed consent Exclusion Criteria: * Patient undergoing anti-cancer treatment or having completed treatment less than 2 years ago * Patient under guardianship, deprived of liberty, safeguard of justice * Pregnant or breastfeeding women * Patient presenting a serious psychiatric pathology that does not allow compliance with the completion of the questionnaires (at the discretion of the investigator) * Refusal to participate in research