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Sleep Lab Study

For some sleep issues, a sleep lab study may be the best way make an accurate diagnosis and determine the most effective treatment. If your doctor has recommended you have a sleep lab study, we will do our best to make your stay as comfortable as possible.

Sleep lab study at Henry Ford: What to expect


When you come to Henry Ford for a sleep lab study, you will find:

  • Convenient locations: We have several sleep lab locations throughout southeast Michigan and the Jackson area.
  • Hours to suit your sleep schedule: The study should be done during your ideal sleeping hours. That’s why we are available to schedule appointments that start early in the evening or late at night. We can even do a study during the day for those who work night shifts.
  • Comfortable, private rooms: All sleep lab locations have individual, hotel-like rooms equipped with televisions and private bathrooms. Each room also has a camera monitor and intercom that allows you to have direct communication with your lab technician in case you need anything.
  • Professional staff monitoring: We have one technician for every two patients in the lab. The technician will connect you to a variety of sensors when you arrive and monitor you throughout your stay.

Types of sleep lab studies we offer

Depending on your sleep issues and physical condition, your doctor may recommend any of the following types of sleep studies:

  • Diagnostic polysomnogram: During this study, you will be hooked up to multiple sensors that monitor your sleep patterns, brain activity, eye movement, oxygen levels, breathing effort, heart rhythm and heart rate. If you also have symptoms of involuntary leg movements or acting out dreams, we will also attach sensors to your legs and arms.
  • Titration study: This study is for some patients who have just been diagnosed with sleep apnea to help calibrate their CPAP or BiPAP machines or for patients who are already using a CPAP or BiPAP machine who need adjustments. This study has the same monitoring as a diagnostic test. You do not need to bring your equipment.
  • Split-night study: The first part of the night the sleep technician will perform a diagnostic polysomnogram to confirm a diagnosis of sleep apnea. Then the second part of the night you will be given a titration study to find the right CPAP or BiPAP settings for your condition.
  • Multiple Sleep Latency Test (MSLT): Also called a nap test, this is done during the day, after an overnight study. It measures how quickly you fall asleep during the day. It’s often used to help make a diagnosis of hypersomnia disorders like narcolepsy.
  • Maintenance of Wakefulness Test (MWT): This test is also performed during the day after an overnight study. It measures how alert you are during the day.

Instructions for Sleep Study patients

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