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Bed Sharing Remains Greatest Risk Factor for Sleep Related Infant Deaths

7/14/2014 For Release: July 14, 2014
​​​​​​Sudden infant death syndrome (SIDS) and other sleep-related causes of infant mortality have several known risk factors, but little is known if these factors change for different age groups. In a new study in the August 2014 Pediatrics, “Sleep Environment Risks for Younger and Older Infants,” published online July 14, researchers studied sleep-related infant deaths from 24 states from 2004-2012 in the case reporting system of the National Center for the Review and Prevention of Child Deaths. Cases were divided by younger (0-3 months) and older (4 months to one year) infants. In a total of 8,207 deaths analyzed, majority of the infants (69 percent) were bed-sharing at the time of death. Fifty-eight percent were male, and most deaths occurred in non-Hispanic whites. Younger infants were more likely bed-sharing (73.8 percent vs. 58.9 percent), sleeping on an adult bed or on/near a person, while older infants were more likely found prone with objects, such as blankets or stuffed animals in the sleep area. Researchers conclude that sleep-related infant deaths risk factors are different for younger and older infants. Parents should follow the American Academy of Pediatrics (AAP) recommendations for a safe sleep environment and understand that different factors reflect risk at different developmental stages.


The American Academy of Pediatrics is an organization of 62,000 primary care pediatricians, pediatric medical subspecialists and pediatric surgical specialists dedicated to the health, safety and well-being of infants, children, adolescents and young adults. For more information, visit