Eight Sleep vs Fitbit
Sleep Tracker Head-to-Head Comparison
$2999-5849
Eight Sleep
$159.95
Fitbit
Quick Comparison Summary
Best Value
Fitbit
Best Features
Similar
Best Battery
Eight Sleep
Pricing Comparison
Eight Sleep
Device Cost$2999-5849
Subscription$199/yr
Form FactorMattress cover
Battery LifeN/A (plugged in)
Fitbit
Device Cost$159.95
Subscription$10/yr
Form FactorBand/Watch
Battery Life6-7 days
Sleep Tracking Features
| Feature | Eight Sleep | Fitbit |
|---|---|---|
| Sleep Stages | Yes | Yes |
| HRV Tracking | Yes | Yes |
| Temperature Tracking | Yes | Yes |
| SpO2 Tracking | Yes | Yes |
| Smart Alarm | Yes | Yes |
| Sleep Score | Yes | Yes |
| Recovery Metrics | Yes | Yes (Daily Readiness, Premium) |
Hardware & Accuracy
| Specification | Eight Sleep | Fitbit |
|---|---|---|
| Sensor Type | Piezoelectric + Temperature | PPG + SpO2 + Temperature |
| Accuracy Validation | Proprietary validation | Multiple studies |
| Smart Home Integration | Extensive | Google ecosystem |
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