Sleep Studies

Multiple Sleep Latency Test, Polysomnogram (Sleep Study), Sleep Apnea Study

What Affects the Test

Factors that can interfere with your test or the accuracy of the results include the following:

• You use caffeine, nicotine, alcohol, or sedatives.
• There are changes in your normal activities on the day of the sleep study.
• The electrodes come off during sleep.
• Sleep lab noises keep you awake or keep you from sleeping normally during the sleep study.

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Author:	Maria G. Essig, MS, ELS Ralph Poore	Last Updated: September 4, 2007
Medical Review:	Caroline S. Rhoads, MD - Internal Medicine Andrew Swan, MD, CCFP, FCFP - Family Medicine Jan Ulfberg, MD, PhD - Sleep Disorders
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