http://www.news-medical.net/?id=21023
"Obstructive sleep apnea (OSA) affects up to 20% of men in western cultures, 5% of whom experience significant physical symptoms. A study published in Journal of Forensic Sciences finds that sex offenders who suffer from OSA experience more harmful psychological symptoms than do sex offenders with normal sleep patterns."
Sleep Apnea as a Possible Factor Contributing to Aggression in Sex Offenders
http://digbig.com/4pgxk
Bradley D. Booth M.D., J. Paul Fedoroff M.D., Susan D. Curry B.A. (Hon), Alan B. Douglass M.D.
Journal of Forensic SciencesVolume 51, Issue 5, Page 1178-1181, Sep 2006 [Sub Required]