Sleep signals
Know what your sleep numbers are telling you.
Understand HRV, sleep stages, resting heart rate, breathing rate, sleep debt, and consistency without letting one score control your day.
Recovery
Heart rate variability (HRV)
Learn what changes in your HRV may mean and when a trend is worth paying attention to.
Read the guide
Sleep architecture
Sleep stages
See what your wearable can estimate about light, deep, and REM sleep, plus where the numbers get fuzzy.
Read the guide
Sleep duration
Sleep debt
Find out how repeated short nights affect you and what actually helps you recover.
Read the guide
Recovery
Resting heart rate
Learn what can raise or lower your resting heart rate and which changes deserve attention.
Read the guide
Breathing
Respiratory rate
Learn what your overnight breathing trend may reveal and which symptoms need medical attention.
Read the guide
Sleep timing
Sleep consistency
See how a steadier sleep schedule can help and how to make it work around real life.
Read the guideUse trends, not single scores
Your data is most helpful when you pair it with what happened in real life.
Look for patterns across several nights, then compare them with your schedule, habits, symptoms, and energy. One unusual number rarely tells the whole story.