Follow-Up: Hello Karen. There are two American Sleep Disorders Association Accredited Member Center in Utah. 1. The Intermountain Sleep Disorders Center LDS Hospital, 325 - 8th Ave., Salt Lake City, UT., Phone: 801-321-3617, EMAIL: idjwalke@ihc.com, and 2. Sleep Disorders Center University Health Sciences Center, 50 North Medical Dr., Salt Lake City, UT 84132, Phone: 801-581-2016, FAX 801-585-3249. P.S. Sleep apnea will DEFINITELY effect not only memory, but also cardiovascular functioning which could result in heart attack and stroke. You can also contact The American Sleep Apnea Association at 202-293-3650. Good luck!