Portland Va Medical Center

This study is testing whether taking a dietary supplement called branched chain amino acids (BCAAs) can improve sleep quality and thinking skills in Veterans who have trouble sleeping. Researchers will recruit 300 Veterans and randomly assign them to take either the BCAA suppleme…

This study is testing whether daily morning bright light therapy can improve sleep quality for veterans, especially those dealing with traumatic brain injury (TBI) or PTSD. Researchers will recruit 200 veterans to use a light box for 60 minutes each morning for four weeks while t…