Discover Bank. PO Box 30416. Salt Lake City, UT 84130. New Accounts & Deposits. Discover Bank. PO Box 30417. Salt Lake City, UT 84130. For Retirement Accounts New IRA Accounts, Contributions & General Correspondence. Discover Bank. PO Box 30418. Salt Lake City, UT 84130
Common causes of Sleep disturbance. Some of the common causes of Sleep disturbance may include: 1  Aging.  Alcoholism or abruptly stopping alcohol after long-term use.
Periodic Limb Movement Disorder Causes. Persistent sleep disruption and daytime sleepiness are not part of normal aging. Periodic limb movement disorder can be primary or secondary. Secondary PLMD is caused by an underlying medical problem.Primary PLMD, on the other hand, has no known cause.eriodic refers to the fact that the movements are repetitive and rhythmic, occurring about every 20-40 seconds. PLMD is also considered a sleep disorder, because the movements often disrupt sleep and lead to daytime sleepiness. PLMD may occur with other sleep disorders.