Upgrading to Watch OS 1.0.1 decreases the frequency of heart rate readings taken by the Apple Watch when users are in motion, according to the device’s updated heart monitoring support document. “Apple Watch attempts to measure your heart rate every 10 minutes, but won’t record it when you’re in motion or your arm is moving,” according to the site. Watch OS 1.0 recorded a user’s heart rate every 10 minutes, regardless…
