21 Dec New Research Illuminates the Dangers of Drowsy Driving Posted at 19:50h in Uncategorized by Research at Brigham and Women's Hospital 0 Likes Share Dr. Charles Czeisler speaks with CBS News about his new research that illuminates the dangers of drowsy driving after a night shift. View More: Behind the wheel News|U.S. News|Live News|More News Videos Tags: Charles Czeisler, Research, Sleep, Sleep Medicine