Willamette Sleep Center Accredited by the AASM   Medical Director Mark T. Gabr M.D., D-ABSM Willamette Sleep Center is a comprehensive, state-of-the-art sleep disorders clinic and laboratory that is Accredited by the American Academy of Sleep Medicine (AASM).   Sleep Disorders According to the 2005 Sleep in America poll conducted by the National Sleep Foundation,* 21 percent of American adults believe they have a sleep problem. Some of the most common sleep disorders associated with these problems are : • Sleep Apnea • Insomnia • Narcolepsy • Restless Legs Syndrome • Periodic Limb Movement Disorder • Rapid Eye Movement [REM] Behavior Disorder • Circadian Rhythm Disorders *The National Sleep Foundation is an independent, nonprofit organization that works to increase the understanding of sleep and sleep disorders by supporting education, research, and advocacy.