ACTIVE-FIT program: Assessment of sleep quality and its relationship with physical activity in patients with relapsing-remitting multiple sclerosis.

Background: Multiple sclerosis (MS) causes sleep disturbances in up to 70 % of individuals. These problems are linked to fatigue, mood and cognitive performance, thereby affecting the quality of life in people with MS (PwMS). The frequent and debilitating side effects of sleep medications prompt the exploration of alternative therapies.