An at-home sleep apnea test is used for the diagnosis of obstructive sleep apnea (OSA). As the name suggests, an at-home sleep apnea test is done right in the comfort of your home. Because you administer the test yourself without the assistance of a sleep technician, this home sleep test is also called an “unattended sleep study.”

When you take an at-home sleep apnea test or home sleep test, there are specific biological parameters that are measured to gain insight on whether you have obstructive sleep apnea. Here are the factors measured and the devices that help collect the data.

  • Nasal and oral airflow: A thin wire is taped by your nose and mouth to monitor your airflow throughout the night. Some sensors look like an oxygen cannula.
  • Respiratory effort: With elastic belt bands placed across your chest and abdomen, data is collected on your respiratory effort.
  • Oxygen levels:  A small, clip-like device called an “oximeter finger probe” attaches to your fingertip and emits a red light that assists in the evaluation of oxygen levels in your blood while sleeping.

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