Key TakeawaysApple has received FDA approval for the sleep apnea detection feature on the newest version of the software for its smartwatches.The feature will monitor overnight breathing to detect potential sleep apnea, as experts say millions of adults live with undiagnosed sleep apnea.The tech giant last week received FDA approval for its newest AirPods to perform clinical grade hearing tests and act as hearing aids. Apple (AAPL) has received approval from the Food and Drug Administration (FDA) for all of ...