Clinical Research Directory

Inclusion Criteria: * Adults ≥ 18 years of age. * Individuals who have been diagnosed with fibromyalgia or suffer from chronic widespread pain and fatigue. * An average pain severity ≥4 on the 0-10 NRS over the month prior to enrollment. * Pain symptoms present for 3 months or longer. * Pain must be present in 4 out of 5 body regions. * A score of ≥7 on the Widespread pain index (WPI) and ≥5 on the symptom severity scale (SSS), or 4-6 on the WPI and ≥9 on the SSS in the 2016 Fibromyalgia Questionnaire. * Willingness to adjust light levels in home environment so that the illumination (measured in lux) provided by the light bulbs is twice the ambient room illumination (also measured in lux). * Willingness to use study lightbulbs for 2 consecutive hours a day for 7 consecutive days according to study specifications for both conditions (total of 14 days using lightbulbs) * Alert and oriented, and able to provide informed consent * Ability to read and speak English to complete validated questionnaires. Exclusion Criteria: * Vision disorders or conditions resulting in severe vision impairment or blindness * Individuals with self-report of color blindness, uveitis or cataracts. * Prisoner Status * Pregnancy * History of photosensitivity or sensitivity to scintillating (mildly flickering) light. * History of seizure disorder. * Individuals living in households with people who have a history of seizure disorders. * Analgesic treatment plan changes anticipated in the next 3 months (surgery, analgesic medication changes, injections, pain procedures, etc.). * Other history or condition that would, in the investigator's judgment, indicate that the individual would highly likely be non-compliant with the study or unsuitable for the study