[header] How to sync your apple watch health data with an iphone [title] Pair your apple watch with your iphone. [step] Performing the initial pairing is all you need to do to connect your apple watch with the health app on your iphone. Your apple watch will automatically be added to the sources tab of your health app after it is paired. 
[substeps] See pair your apple watch with an iphone for details on pairing your apple watch. [title] Understand how the apple watch tracks and relays your health information.