The main goal of this clinical trial is to learn if light therapy improves pain and inflammation in adults with painful rib fractures. The main question it aims to answer is: \- Does bright blue light therapy in addition to standard pain treatments improve pain with breathing in adults with painful rib fractures? Researchers will compare participants who receive bright blue light therapy to participants who receive white light therapy and participants who receive only usual lighting conditions to look for differences in their pain control. In addition to their assigned light treatment, all participants will receive standard pain control treatments. Participants will be assigned randomly to one of three groups: one-third will be assigned to bright blue light therapy, one-third will be assigned to bright white light therapy, and one-third will be assigned to usual light only. They will receive their assigned light treatment for 4 hours during the morning/early afternoon for up to 3 days while they are in the hospital. On each day they receive the light treatment and on the day after their final light treatment: * They will be asked twice to rate their pain at rest and with taking a deep breath. * They will be tested to confirm that they are not experiencing delirium, or confusion related to being in the hospital. * Blood samples will be collected to look for changes in inflammation and the circadian clock, the body's natural 24-hour cycle.
Age range
18 Years
Sex
ALL
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Chest wall pain intensity, with incentive spirometer use
Timeframe: Up to 72 hours (assessed twice daily)