According to recently released Journal Citation Reports statistics, the 2009 impact factor for SLEEP is 5.402. This is the highest impact factor in the journal’s 32-year history and ranks SLEEP first among all original-science sleep journals. The five-year impact factor for SLEEP is 5.949, which also is first among all original-science sleep journals.
The impact factor of SLEEP has continuously risen over the past decade; in 1998 the impact factor was 1.880 and in 2000 it was 3.168. The continued excellence of SLEEP is a testament to the high standards of the journal, which is the authoritative source for research on sleep and sleep disorders. All AASM members are welcomed and encouraged to submit their original sleep science for consideration. Please visit the SLEEP website for details.