How Apple's Sleep Apnea Feature Works on Apple Watch

Apple has a new way of identifying signs of sleep apnea using the accelerometer on the Apple Watch. Apple's Deidre Caldbeck and Dr. Matt Bianchi explain how this feature works, how it was tested and the validation process needed to bring it to the watch. Sleep apnea notifications are available on the Apple Watch Series 10, Series 9 and Ultra 2.