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Frequently
Asked Questions
Is there anything I should not bring to the Mid-West Center for Sleep Disorders?
Please do not bring any valuables or large sums of money with you, as we do not have facilities for guarding
your valuables.
What will happen after I arrive at the Mid-West Center for Sleep Disorders?
Shortly after arriving, the technician will begin applying electrodes to your face, head, and legs. The
application of the electrodes is painless. The electrodes are attached with tape or paste. There are
approximately 25 electrodes to be applied, and it takes approximately one hour to complete this procedure.
These electrodes simply sense electrical activity present in your body and conduct that information to our
recording equipment. After your hookup is completed, you can relax until your bedtime, which is usually
between 10:00 and 11:00 p.m.
What happens at bedtime?
Just before your bedtime the technician will apply a few additional sensing devices. Again, these are painless
and will not restrict your movement during sleep.
There will be a technician in the monitoring room all night. If you need anything during the night, all you need
to do is speak, and the technician will hear you through the intercom.
All patients are expected to stay in bed for 7 hours. The technician will wake you after 7 hours is completed.
When bedtime begins between 10:00 p.m. to 11:00 p.m., your study will be ended by 5:00 a.m. to 6:00 a.m. If
you need to be awakened at a certain time, or need to leave the sleep lab by a certain time, please notify the
secretaries scheduling your appointment so that your bedtime can be adjusted accordingly. If you have special
transportation needs (i.e., bus, taxi, etc), please notify the secretaries scheduling your appointment so that the
technicians can be made aware of the circumstances.
In the morning your electrodes will be removed and you will be allowed the opportunity to wash up, shower and
get dressed to leave.
What is expected if my child is having a sleep study?
Children under the age of 13 will be required to have one parent or legal guardian remain at the center
throughout the sleep study. It is at the parent’s discretion whether they remain throughout the study for patients
ages 13-17; however, they must stay until the patient falls asleep. If you are not required to stay throughout the
study, you will be responsible for picking up your child the following morning promptly between 6:00 a.m. and
7:00 a.m.
What happens after my sleep study is completed?
Our sleep technologists will analyze the results of your study and produce a report that will be provided to our
Board Certified Sleep Physician. Our Sleep Physician will evaluate the study data and produce an interpretive
report with recommendations, which may include the need for a second study. These reports will be provided
to your referring physician for their records.
When will I learn of the results of my study?
Your study analysis and reports will be completed and forwarded to your referring physician within 10 days. If
a second study is recommended, you will be contacted within 10 days by the secretaries to schedule that study.
You can also call the Mid-West Center for Sleep Disorders should you have any questions about your results.
What happens next?
If the results of your sleep study indicate a significant occurrence of sleep apnea, the Sleep Physician will
recommend a second study. In this study you will be introduced to the recommended treatment for sleep apnea
called CPAP (Continuous Positive Airway Pressure). The sleep technologist will explain CPAP and its benefits
in more detail when you arrive for your study. The Sleep Physician may also recommend certain lifestyle
changes to reduce the severity of your sleep apnea.
Does the Midwest Center for Sleep Disorders provide the CPAP machine?
If your treatment calls for the use of a CPAP machine, our Sleep Physician will write the prescription and we
will forward it to a Home Healthcare Company (HHC) that you can select based on your specific needs. The
HHC will work with your insurance company to confirm coverage and deliver the CPAP machine to your home
where you will be trained on its proper use.
What should I expect if I am scheduled for a Multiple Sleep Latency Test (MSLT)?
The MSLT is a daytime sleep study that's usually done after a PSG. Sensors on your scalp, face, and chin
usually are used for this test. These sensors record brain activity. They show various stages of sleep and how
long it takes you to fall asleep. Sometimes your breathing also is checked during an MSLT.
You will be asked to dress in street clothes following your PSG. Starting 1.5 to 3 hours after you wake from the
PSG, you're asked to relax in a quiet room and attempt to fall asleep. The test is repeated four to five times
throughout the day. This is because your ability to fall asleep changes throughout the day. You will also be
provided breakfast and lunch during the day. You get 2-hour breaks between tests and you need to stay awake
during the breaks.
The MSLT records whether you fall asleep during the test and what types and stages of sleep you have. Sleep
has two basic types: rapid eye movement (REM) and non-REM. Non-REM sleep has four distinct stages. REM
sleep and the four stages of non-REM sleep occur in patterns throughout the night.
The types and stages of sleep can help your doctor diagnose a sleep disorder such as narcolepsy, idiopathic
hypersomnia or a circadian rhythm disorder.
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