Home sleep testing, or an HST, is a less expensive and more convenient method for the patient who is approved by most insurance companies. The testing equipment simply consists of a chest belt, finger probe and nasal cannula, making it more comfortable and less obtrusive—plus, the patient can complete the test in the comfort of his or her own home. Home sleep testing primarily tests for both obstructive and central sleep apnea. Many insurance companies require a home sleep test before they will approve further testing, like an in-lab study.

PSGs (polysomnograms), also known as in-lab sleep testing, are more thorough studies done with a registered sleep technician on hand. Because the test monitors brain wave activity, movement and heart rhythm, PSGs test for a more comprehensive array of sleep disorders, in addition to sleep apnea.

In-lab testing also allows for more precise results because the sleep tech can use visual observations to record when the patient is actually sleeping. If needed, the patient can be put on PAP therapy during their sleep test, which can show the diagnostic response to pressure treatment in a lab setting.

All tests are scored by a Registered Polysomnographic Technologist (RPSGT) / Registered Respiratory Therapist (RRT), interpreted by a board-certified sleep physician and then sent back to the ordering physician.

Written By:

Levi Jenkins,


Frontier Diagnostic Sleep Center – Clinical Coordinator

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