Barry Krakow, M.D., is a board-certified internist and sleep medicine specialist, the medical director of Maimonides Sleep Arts & Sciences, Ltd., and the principal investigator of the Sleep & Human Health Institute. Since 1988, Dr. Krakow's research teams have developed many innovative approaches for treating sleep patients with nightmares, insomnia, and sleep-disordered breathing. His works are published in numerous medical, psychiatric, and sleep journals. For more information about Dr. Krakow's work or to read his blog, visit his Web site, www.sleepdynamictherapy.com.