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Sleep and Aging

Frequently Asked Questions

23. How does a sleep center diagnose sleep problems?

Sleep centers employ physicians and others who are experts in problems that affect sleep. If the sleep specialist needs more information, he or she may ask you to undergo an overnight sleep study, also called a polysomnogram, and/or a sleepiness, or a nap test. A polysomnogram measures brain waves, heart rate, breathing patterns, and body movements. (Answer continues on next page.)