Sleep Study Test




A sleep study test or polysomnography (PSG) is a very good tool to collect comprehensive information about somebody’s sleep pattern.

The test is often used to confirm a sleep apnea diagnosis when a person shows some symptoms of this sleep disorder.

With today’s technology the procedure may be performed in the convenience of your own home, but usually takes place in a sleep center or laboratory.

The study consists of two phases.

The first one is a recording of different physiological parameters such as: brain activity, eye and chin movement, heart rate and rhythm, breathing movements, blood oxygen saturation and carbon dioxide level, airflow through the nose, muscle tension and movements.


All data is then analyzed and evaluated by a physician who is a specialist in sleep disorders.

If the test results indicate sleep apnea, the second phase of the sleep study is necessary. During this part your treatment begins with a CPAP machine as a preferred treatment option.

The important element of this part is a CPAP titration that will determine the optimal air pressure to alleviate apnea episodes during your sleep.

When all this is done during one night, it is called a "split-night" sleep study.

A two night PSG test means that you will be tested first and then you will come in for a second night to do the CPAP titration.

To have a sleep study test done you will need a referral from your doctor.A test can cost from about $ 2000 to $10000, on average you will pay around $5000. This depends on location and other factors. Medical insurance will usually cover some or all your expenses.





Some patients love their CPAP from the first night and say their life started over. They are full of energy, feel 20 years younger and will use their machine religiously. Others, while they feel much better, have a difficult time getting used to their new "sleep companion".

They will use it for a few hours and then take it off, or use it only when they are really tired, or every few nights.

About half of the people will stop using their CPAP after six months. They shouldn’t give up but should look for other treatment options.

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