 The punishments kept them from receiving honorable discharges. 50 sailors who held their demands for safety and training were tried as a group on charges of conspiracy to commit mutiny. They were convicted and sent to prison. Researchers studying tens of thousands of patients found that people who have irregular sleep patterns, say five hours of sleep one night, 10 hours of sleep the next night, have a more than 30% higher risk of developing type 2 diabetes.