![Mayo Clinic home page [logo]](/images-global/mayologo.gif)
Give. Touch. Transform.
Share this site with others using one of these sharing tools.
To link to this article, paste this block of HTML code onto your webpage.
Guidelines for sites linking to mayoclinic.orgUniversity of Minnesota, Minneapolis, MN
Mayo Graduate School of Medicine, Mayo Clinic, Rochester, MN
American Board of Sleep Medicine
American Board of Psychiatry and Neurology
Associate Professor of Psychiatry
Sleep disorders, pharmacology, nicotine dependence
See a listing of publications on PubMed, a service of the National Library of medicine.
See a description of research activities.
Learn about treatment of diseases and becoming a patient. Read more about medical services.
.
