Fitbit Sleep Tracker Review 2026
Free sleep stages and Daily Readiness without subscription, 7-day battery, widely discounted...
Prices verified Aug 2026 on Fitbit's own site
Fitbit at a Glance
Charge 6 lists at $159.95 and is frequently discounted. IMPORTANT: Fitbit Premium is now GOOGLE HEALTH PREMIUM and the Fitbit app is the Google Health app; fitbit.com redirects to store.google.com. Premium is $9.99/month. Free tier now covers sleep score, sleep schedule, sleep duration, sleep stages, HR, HRV, breathing rate, SpO2 AND Daily Readiness - readiness is no longer Premium-gated. Premium adds detailed sleep insights with coaching, Ask Coach, adaptive fitness plans and medical record summaries. New devices include 3 months of Premium, not 6. 'Sleep Profile' no longer exists as a feature. Premium is also bundled free with Google AI Pro and AI Ultra subscriptions. Must be 18+ to subscribe.
Device Specifications
Sleep Tracking Features
- Sleep StagesYes
- HRV TrackingYes
- Temperature TrackingYes
- SpO2 TrackingYes
- Smart AlarmYes
- Sleep ScoreYes
Hardware & Accuracy
- Sensor TypePPG + SpO2 + Temperature
- Accuracy ValidationMultiple studies
- Recovery MetricsYes (Daily Readiness, free tier)
- Partner TrackingNo
- Smart Home IntegrationGoogle ecosystem
- App FeaturesSleep score, schedule, duration and stages free; detailed sleep insights and coaching under Google Health Premium
Compare Fitbit with Other Sleep Trackers
See detailed head-to-head comparisons.
Frequently Asked Questions
How much does Fitbit cost?
Fitbit costs $159.95 for the device. The subscription is $9.99 per month.
How accurate is Fitbit for sleep tracking?
Fitbit uses PPG + SpO2 + Temperature sensors. Multiple studies. It tracks sleep stages, HRV, temperature, and blood oxygen.
Does Fitbit track HRV?
Yes, Fitbit tracks HRV (Heart Rate Variability) throughout the night and uses it to calculate recovery scores.
What is the battery life of Fitbit?
Fitbit has a battery life of 6-7 days.
Does Fitbit have a smart alarm?
Yes, Fitbit includes a smart alarm that wakes you during light sleep for a gentler wake-up.
Disclaimer
This information is for educational purposes only. Sleep trackers are wellness devices, not medical devices. Prices were last verified on Fitbit's own site (Aug 2026) and may have changed since. Consult a healthcare provider for sleep-related health concerns.