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Sleep Studies

SMH facility

The sleep study, or polysomnogram, is a combination of several diagnostic tests that record sleep patterns, brain activity, breathing, heart activity and body movements simultaneously during sleep. Other studies offered include Continuous Positive Airway Pressure (CPAP) titrations and Multiple Sleep Latency Tests (MSLT).

Electrodes are attached with adhesive to the scalp and face to record brain wave activities, eye movement and chin muscle activity. Respiration is measured using a light plastic wire with a thermometer in it that is positioned on the face and by elastic bands around the chest and abdomen to record movement. A small attachment to a finger monitors oxygen content of the blood.

All of these tests are painless and have no risk associated with them. Although it might seem as though equipment attachments would be uncomfortable, attachments in our Sleep Center and others around the country have shown that there is no discomfort, nor does it prevent sleep or interfere with a useful sleep study. A registered polysomnographic technologist will attach the monitoring equipment and will be on duty throughout your overnight stay.

Please note that sleep studies are performed on patients 13 and older. In some cases, your insurance carrier may require you to have a home sleep study.

Preparing For Your Study

If you believe you have a sleep disorder, you should consult with your primary care physician, who will need to provide you with a written referral for the study. A copy of the referral form is available here.

On the day of your study, please avoid napping in the afternoon before your sleep study. Eat dinner before you arrive. Make sure your scalp is clean and dry — no hair spray or mousse products.

Remember to bring with you:

  • Personal identification and insurance card
  • Sleepwear, robe, slippers and toiletries
  • Prescribed medications
  • Your own pillow, if you like

Your study will last approximately eight hours and you will be asked to leave between 6 am and 6:30 am.

Our professional, experienced staff will give you personalized explanations of procedures for your sleep study and will make your stay as pleasant as possible.

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