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Attention, chocolate lovers: You may not be able to help yourselves. Swiss and British scientists have linked the widespread love of chocolate to a chemical "signature" that may be programmed into our metabolic systems.
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Sleep Disorders
- Overview, Causes, & Risk Factors
- Symptoms & Signs
- Diagnosis & Tests
- Prevention & Expectations
- Treatment & Monitoring
- Attribution
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Diagnosis & Tests
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:
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.