
Device research record
Fitbit Charge 5
Signals and sensors
From the device record. Fields the source does not state are left out.
- Maker
- Google / Fitbit
- Form factor
- Wrist
- Series
- Charge 5
- Family
- Fitbit Charge
- Signals recorded
- PPG, Accelerometer
- Also called
- Charge 5
What published studies show
Results quoted from 1 published validation study, each against a clinical reference. A result applies to the model and protocol tested, not to every model the brand sells. From the wearable accuracy database (v1.0.0).
Sleep stages (4-stage)1 study
| Device tested | Result | Reference | Sample | Study |
|---|---|---|---|---|
| Fitbit Charge 5 | κ = 0.41Cohen's kappa | Polysomnography (PSG) | n = 39, Sleep laboratory, 1 night | Schyvens et al. (2025)Funding not reported |
- Fitbit Charge 5κ = 0.41
Cohen's kappa · vs Polysomnography (PSG) · n = 39, Sleep laboratory, 1 night
Schyvens et al. (2025) Funding not reported
Sleep vs wake (2-stage)1 study
| Device tested | Result | Reference | Sample | Study |
|---|---|---|---|---|
| Fitbit Charge 5 | > 90% (all devices)Sensitivity | Polysomnography (PSG) | n = 62, Sleep laboratory, 1 night | Schyvens et al. (2025)Funding not reported |
- Fitbit Charge 5> 90% (all devices)
Sensitivity · vs Polysomnography (PSG) · n = 62, Sleep laboratory, 1 night
Schyvens et al. (2025) Funding not reported
Comparisons
Head-to-head pages that name Fitbit Charge 5 come first, then other comparisons for the brand.
