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Chapman, Daniel P., Yong Liu, Letitia R. Presley-Cantrell, Valerie J. Edwards, Anne G. Wheaton, Geraldine S. Perry, and Janet B. Croft. Adverse Childhood Experiences and Frequent Insufficient Sleep in 5 U.S. States, 2009: A Retrospective Cohort Study. BioMed Central, 2013.

Chapman, Daniel P., et al. Adverse Childhood Experiences and Frequent Insufficient Sleep in 5 U.S. States, 2009: A Retrospective Cohort Study. BioMed Central, 2013.