 Researchers studying tens of thousands of patients found that people who have irregular sleep patterns, say five hours of sleep one night and 10 hours of sleep the next, have a more than 30% higher risk of developing type 2 diabetes. Dr. Sina Khiazari is with Brigham and Women's Hospital in Boston. Our findings have the potential to improve diabetes prevention on multiple levels. Clinically, they might inform better patient care and treatment plans.