How to read your daily energy score on Apple Watch
Learn how to read a daily energy score from Apple Watch signals, what it can and cannot tell you, and how Body Charge keeps calculations private on-device.
How sleep and recovery shape your daily energy level
See how sleep duration, sleep stages, recovery signals, and daily activity shape a personal energy score on iPhone and Apple Watch.
What to look for in an Apple Watch energy tracker
A practical guide to Apple Watch energy trackers: which signals matter, how to read a daily energy score, and why context is more useful than a single number.
Does sleep restore energy? A practical way to read the signals
Learn how sleep duration, regularity, recovery signals, and daytime activity can shape daily energy context on iPhone and Apple Watch.