![Took my apple watch off last night and these green lights were on... They stayed on for a little less than a minute. Is this what checks heart rate? : r/AppleWatch Took my apple watch off last night and these green lights were on... They stayed on for a little less than a minute. Is this what checks heart rate? : r/AppleWatch](https://external-preview.redd.it/cJWaJdSB5tUgXTMe1mhOvsvpvGo2OVOhG-Z0ByaF0-A.jpg?auto=webp&s=0804fe4d499091eca897dacdcde4d9eb1f15993a)
Took my apple watch off last night and these green lights were on... They stayed on for a little less than a minute. Is this what checks heart rate? : r/AppleWatch
![Apple Watch Series 7 GPS, 45mm Midnight Aluminum Case with Midnight Sport Band - Regular - Walmart.com Apple Watch Series 7 GPS, 45mm Midnight Aluminum Case with Midnight Sport Band - Regular - Walmart.com](https://i5.walmartimages.com/asr/d8b493a0-ed93-4fe3-804b-7935a0c0c5a0.9153f36387df002b37972d66733660c6.png)
Apple Watch Series 7 GPS, 45mm Midnight Aluminum Case with Midnight Sport Band - Regular - Walmart.com
![Why does the Back of My Apple Watch Light Up Green on Watch Series 2, 3,4 and 5 in watchOS 6 - Fixed - YouTube Why does the Back of My Apple Watch Light Up Green on Watch Series 2, 3,4 and 5 in watchOS 6 - Fixed - YouTube](https://i.ytimg.com/vi/xBbGBRxrOX4/sddefault.jpg)