A study led by researchers at the Brown University School of Public Health found that using tuned LED lighting cut in half the number of sleep disturbances among older residents in long-term care. By installing interior lighting fixtures that change color and intensity over the course of the day and night, sleep disturbances experienced by residents in one California nursing home were improved without involving prescribing sleeping pills. (Image: Brown University) Rosa Baier, an associate professor at the Brown University, led a team of seven researchers who studie...