Best 2022 Smartwatches for sleep tracking accuracy

#1 Fitbit Versa 4
4.5

Sleep tracking was one of the Versa 4's strongest areas, with many reviewers calling it accurate, reliable, detailed, or easy to understand, despite one mixed lab result.

Pros: pairing reliability, user interface

Cons: third-party app support, music controls

#2 Fitbit Sense 2
4.3

Sleep tracking is one of the strongest tracking areas, with reviewers calling it enjoyable, on target, fantastic, or among the best Fitbit capabilities.

Pros: pairing reliability, durability

Cons: music controls, Wi-Fi connectivity

#3 Polar Pacer Pro
4.3

Sleep tracking was one of the stronger areas overall, with multiple reviewers praising Nightly Recharge or alignment with Oura and Whoop, though one scientific sleep-stage test rated it only mediocre.

Pros: workout tracking variety, activity auto-detection

Cons: onboard music storage, blood oxygen tracking

#4 Garmin Forerunner 255
4.2

Sleep tracking was generally considered improved and useful, with several reviewers saying sleep times matched reference devices, though some still saw overestimation or limits.

Pros: durability, cross-platform compatibility

Cons: stress tracking, app ecosystem

#5 Polar Ignite 3
4.1

Sleep tracking drew broad approval for solid duration, stage, and SleepWise-style insights, with occasional caveats about access or app presentation.

Pros: brightness, charging speed

Cons: call handling, third-party app support

#6 Polar Pacer
4.0

Sleep tracking is generally respected, but accuracy evidence is mixed because one reviewer trusted the data while another reported a couple of off nights.

Pros: third-party app support, comfort

Cons: contactless payments, onboard music storage

#7 Garmin Forerunner 955
3.9

Sleep tracking was mixed: several reviewers found bed and wake times accurate, while others warned wrist-only sleep data can be unreliable.

Pros: outdoor visibility, charging speed

Cons: LTE connectivity, call handling

#8 Garmin Vivomove Sport
3.8

Sleep tracking ranged from decent to excellent, with several reviewers finding it reflected sleep well, while others found digestibility issues or overcounted sleep duration.

Pros: pairing reliability, reliability

Cons: contactless payments, onboard music storage

#9 Coros Apex 2
3.8

Sleep timing was often praised as accurate, but sleep-stage confidence was weaker, creating a mixed accuracy picture overall.

Pros: resume later function, durability

Cons: watch face quality, call handling

#10 Garmin Forerunner 255S
3.5

Sleep tracking was useful and often close enough for general use, but reviewers noted it was less detailed or less sensitive than dedicated sleep-focused devices.

Pros: step counting accuracy, fit

Cons: blood oxygen tracking, charging convenience

#11 Garmin Venu Sq 2
3.4

Sleep tracking was useful but mixed: some reviewers found timing accurate, while others reported missed secondary sleep, over-reported duration, or uncertainty versus other devices.

Pros: charging speed, coaching features

Cons: ECG functionality, call handling

#12 Garmin MARQ Gen 2
3.0

Sleep timing was praised by one reviewer as spot-on, but another reported frequent time-asleep mistakes that could skew readiness metrics.

Pros: pairing reliability, reliability

Cons: size options, call handling

#13 Suunto 9 Peak Pro
2.5

Sleep tracking drew mixed reactions: one reviewer found sleep and wake timing mostly good, but several others reported missed wakeups, false sleep starts, or weaker performance than alternatives.

Pros: step counting accuracy, durability

Cons: voice assistant quality, contactless payments

#14 Tag Heuer Connected Calibre E4
1.5

The only scored evidence frames sleep tracking negatively because the reviewer complained it is missing alongside other health features.

Pros: contactless payments, pairing reliability

Cons: LTE connectivity, call handling