Memorial's Sleep Disorder Center
Asked Questions

​What are some of the symptoms associated with sleep disorders?

Here are some symptoms that are common of sleep disorders:

  • Excessive daytime sleepiness
  • Continual loud snoring
  • Consistently waking up with a headache or being as tired as when you went to bed
  • Falling asleep at inappropriate times (e.g. while driving a car or watching a movie)
  • Feeling a choking sensation while sleeping or when aroused from sleep
  • Unusual behavior during sleep, such as acting out dreams, bedwetting, or sleepwalking

What should I expect during the sleep study?

After you change clothes and complete some paperwork, a technologist will explain the procedure, answer any questions you might have, and begin the process of placing sensors on your head and body. About 25 sensors, which are pasted or taped on, measure your brain waves, muscle movements, breathing, oxygen levels, and heartbeat. Once the sensors are placed, you will be given time to get comfortable with the wires. After a short time, the technologist will return to your room to begin the sleep testing.

Will I be able to sleep during my sleep study with all the wires?

Most patients have no problems with sleeping. After the wires have been on for a time, they are less noticeable—similar to how you may feel with jewelry or a hat. Generally, patients are sleepy enough that we still get the data we need. If you are concerned about having a difficult time sleeping during the study, please discuss this with the sleep physician during your office visit.

Can I make phone calls while I’m having my sleep study?

You can make outgoing phone calls while you are here; however, we ask you not to take incoming calls (unless it is a true emergency) as they can jeopardize the test.

During my sleep study, will I be able to use the restroom in the middle of the night?

Yes. The technologist constantly monitors the room, so all you need to do is call out. The technologist will be right in to assist you.

Why do you monitor audio and video during a sleep study?

Video and audio monitoring help give the sleep physician the complete picture of the sleep disturbances you may have and help ensure we can assist you immediately if necessary.

What is an MSLT?

MSLT stands for Multiple Sleep Latency Test. It is the official name of what is also called “nap testing.” It consists of a series of five naps equally spaced out over the day. These naps help us find out if you fall asleep, how quickly you do so (if you do), and what kind of sleep you experience during the day. Even if you do not sleep, we still get information that is helpful in the physician’s diagnosis. If you need to stay for an MSLT, your stay will conclude between 2 and 4 p.m.

Can I go to work the day after my sleep study?

If you are not scheduled for a possible MSLT, you will be free to leave early in the morning. If you’re going to work after your study, bring the items from home that you use to get ready for work. The sensors that are pasted in your hair will leave a residue (similar to petroleum jelly) that will wash out in the shower.

How do I get the results of my sleep study?

Your results will be given to you at your follow-up appointment with your sleep physician.

The Sleep Disorders Center at Memorial Hospital treats all types of sleep disorders using the latest techniques and comfortable conditions. memorial hospital, belleville, sleep disorders center, sleep disorders, loud snoring, sleep apnea, sleeping too much, falling asleep, sleepwalking problems, faqs, frequently asked questions, sleep study faqs

​The Sleep Disorders Center at Memorial Hospital
4500 Memorial Drive
Belleville, Illinois 62226

(618) 257-5787

The Sleep Disorders Center in O’Fallon
310 North Seven Hills Road
O’Fallon, Illinois 62269

(618) 628-2502

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