Best Approach
You can't optimize what you don't measure — but don't let tracking ruin your sleep. The best approach is passive: a ring or under-mattress sensor that collects data without demanding attention. Check trends weekly, not daily. The goal is identifying what actually moves the needle (temperature, timing, alcohol, exercise) and ignoring noise.
What to Know
Gold StandardPolysomnography (sleep lab). Everything else is an estimate — but good estimates are useful.
Best WearableOura Ring — unobtrusive, accurate HRV/HR, good sleep staging, no screen in bed.
Best Non-WearableWithings Sleep Analyzer — under-mattress pad, no charging, detects apnea risk.
Key MetricsTotal sleep time, sleep efficiency, HRV, resting heart rate, deep sleep %, wake events.
What to IgnoreDaily sleep scores. One bad night means nothing. Look at 7–30 day trends only.
Apnea ScreeningIf you snore or wake tired despite 8+ hours, get a proper sleep study. Trackers flag risk but don't diagnose.
Data PortabilityOura and WHOOP export to Apple Health. Withings syncs to Health Mate. Avoid proprietary lock-in.
IntegrationBest setup: ring for HRV + smart mattress for temperature. Data from both tells the full story.
Browse the gear
All 6 Tracking products