16 sleep patterns (IMAGE) Japan Science and Technology Agency Caption Total of 16 types of sleep patterns including seven insomnia-related sleep patterns and some lifestyle related patterns are identified. The left eight sleep patterns are obtained by analyzing whole dataset and patterns in the right figure are obtained by analyzing outlier dataset. Credit Katori, Shi et al. Usage Restrictions Credit must be given to the creator. License CC BY Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.