New at-home sleep apnea tests compete with for-profit labs

This figure shows the airway path and the obstruction caused by sleep apnea. [Image from Wikipedia]

The big business in laboratory sleep apnea testing has a new competitor in the homes of obstructive sleep apnea sufferers. Portable sleep monitors could be used to test for obstructive sleep apnea at home when testing in a laboratory is not suitable. It is often referred to as the “unattended sleep study.”

At-home sleep apnea tests usually check nasal and oral airflow and respiratory effort and use an oxymeter finger probe. Users tape a thin wire by the nose and mouth and place an elastic belt band across the chest and abdomen to test the parameters. The odometer finger probe clips to a finger tip and evaluates the oxygen levels in the blood while sleeping.

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