ALON Y. AVIDAN is Director, the Neurology Clinic; Associate Director, the Sleep Disorders Center; and Associate Professor of Neurology, University of California David Geffen School of Medicine, Los Angeles, California, USA. Dr. Avidan obtained his M.D. from George Washington University School of Medicine and Health Sciences, Washington, D.C., USA. He is Chair of the MEDSleep subcommittee of the American Academy of Sleep Medicine, and he is also a member of the American Medical Association, The William Beaumont Honor Medical Society, and the American Academy of Neurology. Dr. Avidan has been named on both the "Who’s Who in Medical Sciences Education" and "Best Doctors in America" lists. He is Chair of the Resident Education Committee and director of the CME course, "Advances in Sleep Medicine: Practical Approaches in Primary Care" at the University of Michigan Medical Center, Ann Arbor, Michigan, USA. Dr. Avidan is a frequent editor and reviewer for several journals, including Annals of Neurology and the Journal of the American Geriatrics Society.CATHY A. ALESSI is Associate Director, Clinical and Health Services Research; Geriatric Research, Education and Clinical Center; Veterans Administration Greater Los Angeles Healthcare System, and Professor of Medicine, University of California David Geffen School of Medicine, Los Angeles, California, USA. Dr. Alessi received her M.D. from the University of Illinois College of Medicine, Chicago, Illinois, USA. Dr. Alessi is a member of several professional organizations in geriatric medicine, gerontology, and sleep medicine; she is on the Board of Directors of the American Geriatrics Society; she is a past chair of the Circadian Rhythm Membership section and past member of the Standards of Practice Committee of the American Academy of Sleep Medicine. For the past several years, she has been the director of the annual UCLA Intensive Course in Geriatric Medicine and Board Review. She has also been the recipient of n

• 1. Age Related Changes in Sleep and Circadian Physiology: From Brain Mechanisms to Sleep Behavior. 2. Sleep and Medical Comorbidities. 3. Sleep & Psychiatric Illness. 4. Sleep and Neurologic Disorders in Older Adults. 5. Insomnia in Aging. 6. Pharmacologic Therapy of Chronic Insomnia in Older Adults. 7. Cognitive Behavioral Treatment of Insomnia in the Older Adult. 8. Sleep-Related Breathing Disorders in Aging. 9. Central Sleep Apnea. 10. Circadian Rhythm Sleep Disorders in Aging. 11. Restless Legs Syndrome: Manifestations in Aging and in Dementia. 12. Sleep in Nursing Home Residents. 13. Sleep in the Older Woman. 14. Napping in Older Adults. 15. Sleep in Late-Stage Dementia and End of Life.