Sleep Disorders
How is the condition diagnosed?
Diagnosis of a sleep disorder begins with a medical history and physical exam. If an underlying medical condition is suspected, further tests such as blood tests may need to be done.
A sleep study, called a polysomnogram, may be recommended. This test measures the following body functions during sleep:
airflow and respiratory effort
blood oxygen levels
blood pressure and heart rate
electrical activity in the brain
eye movement
muscle movement
A multiple sleep latency test measures the speed of falling asleep. An arterial blood gas test may also be performed to check levels of carbon dioxide and oxygen.
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