Apple Watch readiness score: what the new number actually means
Last Tuesday I woke up, checked my closed rings from the day before, and had no idea whether to push
Apple’s new Health app (2026): what’s actually new and how to use it
I installed the iOS 27.2 public beta the day it dropped, mostly to see the new Health app before everyone
Apple Watch Series 12: what’s actually new (and who should upgrade)
Apple Watch Series 12 opened for pre-order on September 9, with units in stores September 18. The story here is
Apple Watch ECG: what it detects, what the results mean, and when to take one
Most people with an Apple Watch don’t know what the ECG app actually measures, when to use it, or how
Apple Watch blood oxygen (SpO2) explained: what the number means and what to do with it
I woke up one morning and saw a notification from the night before: my blood oxygen had dipped to 97%.
VO2 max on Apple Watch: what the number means and how to use it
VO2 max, labeled Cardio Fitness on Apple Watch, is one of the strongest predictors of long-term health your Watch tracks.
Heart rate recovery on Apple Watch: what the number means
I finished a tempo run, stopped my workout, and watched the number appear: Recovery Rate, 31. I had no idea
Resting heart rate on Apple Watch: what it means and how to use it
I noticed my resting heart rate had crept up eight beats over three weeks. There were no obvious symptoms and
Apple Watch sleep tracking: how it works and what to do with the data
The sleep score said 90. Excellent. My deep sleep was 7%. Those two things can both be true at the