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: battery life, GPS accuracy

Cons: value for money, heart rate accuracy

#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: battery life, stress tracking

Cons: value for money, GPS accuracy

#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: GPS accuracy, value for money

Cons: battery life, smartwatch features

#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: GPS accuracy, battery life

Cons: smartphone notifications, mapping and navigation

#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: display quality, coaching features

Cons: value for money, battery life

#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: value for money, workout tracking variety

Cons: GPS accuracy, mapping and navigation

#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: GPS accuracy, battery life

Cons: onboard music storage, charging convenience

#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: value for money, style and design

Cons: battery life, display quality

#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: value for money, GPS accuracy

Cons: mapping and navigation, onboard music storage

#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: value for money, battery life

Cons: menu navigation, user interface

#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: battery life, display quality

Cons: smartwatch features, style and design

#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: display quality, battery life

Cons: value for money, smartphone notifications

#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: battery life, GPS accuracy

Cons: value for money, mapping and navigation

#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: style and design, battery life

Cons: value for money, heart rate accuracy