San Diego DUI attorneys are often asked about Ambien defenses:
http://www.slh.wisc.edu/ehd/toxicology/documents/wslh_liddicoat_ambien_060223.pdf
California DUI Criminal Defense Lawyer Neil Shouse’s page http://www.shouselaw.com/dui-ambien.html
http://en.wikipedia.org/wiki/Zolpidem
http://www.cbsnews.com/stories/2006/03/09/eveningnews/main1384884.shtml