Whoop is a subscription-based fitness wearable focused on recovery, strain, and sleep tracking. It uses HRV, resting heart rate, and sleep stages to calculate your daily recovery score.
Score Range: 0-100%
$30/month subscription
Sleep Metrics Tracked
Sleep Performance
Sleep Efficiency
Sleep Consistency
REM Sleep
Deep Sleep (SWS)
Light Sleep
Awake Time
Respiratory Rate
HRV
Resting Heart Rate
Strengths
- Most accurate HRV tracking among consumer wearables
- Detailed sleep stage breakdown
- Recovery score helps optimize training
- No screen means no distractions
- Comfortable for 24/7 wear including sleep
Limitations
- Subscription model ($30/month)
- No display - requires phone app
- Battery lasts 4-5 days
- Can overestimate sleep duration
Tips to Improve Your Whoop Sleep Score
- 1Wear the band 2-3 inches above wrist bone for best accuracy
- 2Keep the band snug but comfortable during sleep
- 3Enable sleep auto-detection for accurate tracking
- 4Review your Sleep Coach recommendations daily
- 5Pay attention to sleep consistency score - it matters more than duration
Who Is Whoop Best For?
Athletes and biohackers who want deep HRV and recovery insights
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