system was established in 1993, and its inpatient and outpatient information systems were consolidated in 1995.Peking University People's HospitalTertiary grade A general hospitalOver 1,7001.62 million persons/yearOver 43,000 persons2,379First general hospital built on funds raised solely by the Chinese governmentThe hospital launched the nation's first comprehensive large-scale HIS pilot project in 1995, and it is the first hospital to be awarded with an HIMMS Stage 7 award in 2014.Beijing Tian Tan HospitalTertiary grade A general hospitalOver 950Over 1.4 million persons/yearOver 30,000 persons2,787One of the three largest neurosurgical research centers in the worldIts LAN-based HIS was established in the 1990s. Its physician-nurse work station was completed in 2001. The hospital received the Asia Pacific "Healthcare Industry" Dynamic IT award in 2006 (the only organization in China to receive the award).Beijingthis questionnaire in the second, non-overlapping cohort. 4322 Netherlands Sleep Registry participants completed at least one of the selected questionnaires, a demographic questionnaire, and an assessment of their Insomnia Severity Index (ISI) between March 2, 2010, and Oct 28, 2016. 2224 (51%) participants had probable insomnia disorder, defined as an ISI score of at least 10, and 2098 (49%) participants with a lower ISI score served as a control group. With a latent class analysis of the questionnaire responses of 2224 participants, we identified five novel insomnia disorder subtypes: highly distressed, moderately distressed but reward sensitive (ie, with intact responses to pleasurable emotions), moderately distressed and reward insensitive, slightly distressed with high reactivity (to their environment and life events), and slightly distressed with low reactivity. In a second,