Health Topics

Sleep Study FAQs

By DuPage Medical Group Sleep Medicine

What can I expect at my consultation?

With expertise in the treatment of sleep disorders, including obstructive sleep apnea, narcolepsy, insomnia, restless legs syndrome, and circadian rhythm disorders, our physicians create treatment plans focused your individual needs. Your sleep clinic visit will include a detailed history and physical exam performed by one of our sleep specialists. Educating our patients about their sleep condition is a major component of our care. Aspects of the condition, testing and treatment options are provided as well as answers to your questions.  

Will I have a private room?

Yes, you have your own private room that is similar to a hotel room with a complete bathroom. The room is equipped for your comfort.

What time will I leave in the morning?

The Sleep Center of DuPage Medical Group closes at 6:15 a.m.  

Can I stay later than 6:15 a.m.?

If necessary, arrangements can be made in advance to accommodate your special needs.  

Can my husband/wife stay the night with me?

Significant others are not allowed to stay overnight. For extenuating circumstances necessitating a partner to accompany you, special arrangements can be made prior to the study.  

What kinds of sleep sensors will be used during the study?  

A variety of non-invasive electrodes, sensors and belts is used to your monitor sleep stages, breathing effort, airflow, heart rate, eye movements, muscle tone and snoring levels. The collected data is then available for the physician to review and interpret your sleep study.  

Can I sleep with all the sensors on?

Most people sleep well enough to obtain a sample of your typical sleep pattern.  The sensors placements will allow the freedom to positions during sleep.

Do the sensors hurt?

No, this is a painless and non-invasive testing procedure. A conductive paste is used to keep the electrodes in place on your skin and scalp. It is easily removed with soap and warm water.

Will I be videotaped during the study?

Yes, the video file is connected to the study and is used by the physician to facilitate diagnosis.  

Do I need pajamas?

You can wear two-piece pajamas or shorts and a t-shirt during the test. If you forget sleep clothes, a hospital gown will be provided.  

What time will I wake up?

5:00-5:45 a.m. The Sleep Center of DuPage Medical Group closes at 6:15 a.m.  

Can I use the washroom during the study?


Can I bring my own pillow and blankets?


Can I take a sleep aid?

Yes, but only if your physician has prescribed a sleep aid for the night of the study.  

Can I use the TV to fall asleep?

No, falling asleep or sleeping with the TV on can alter your test results.  

Can I drive myself or do I need to be dropped off?

Either is fine. If you are on medications that affects your driving, we ask you to be dropped off.  

 Will I have breakfast when I wake up?

Yes, a continental breakfast is available. 

When will I get my results from the study?

In 10-14 days, our coordinator will contact you.  

What is PAP Titration?

For PAP (Positive Airway Pressure) titration, the sensors will be almost the same as during your diagnostic study. You will sleep with a nasal mask which delivers room air to keep your airway open. This test determines the optimal pressure to effectively treat your sleep apnea and snoring.

If I test positive for obstructive sleep apnea, when will I get my PAP machine?

Our PAP coordinator will review the process when you receive your results. We will arrange durable home medical equipment company to call you and arrange to come to your home and set up your machine.

What is a Multiple Sleep Latency Test (MSLT)?

A daytime test consisting of a series of naps which immediately follows an overnight sleep study. Naps are taken every two hours throughout the day. Between naps, you can read, do paper or computer work, play videogames, watch movies or TV. The test typically lasts until about 9:00 p.m.  

Is the sleep study covered by insurance?

Most insurers cover sleep studies. It is your responsibility to check with your insurance provider to be certain this procedure is a paid benefit under your plan.

Topics and Subtopics: Sleep

Learn more about:
Sleep Center of DuPage Medical Group
Receive more health tips and DMG news right in your inbox!
Sign up for the Live Life Well newsletter