Technology Apple’s watchOS 7 now packs in sleep tracking, fitness app and auto handwashing detection Updated : June 23, 2020 02:37 PM IST Apple Watch captures when the wearer is sleeping and how much sleep they get each night. Apple Watch decided to use its on-device machine learning and cutting edge motion sensors to help you time your handwashing routine. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.