Best Sleep Trackers of 2025

We've tested dozens of sleep trackers to bring you the best options for accuracy, comfort, battery life, and app integration. Whether you’re looking for lab-level data or casual nightly insight, these picks are designed to fit your lifestyle and your pillow.

Whoop 4.0 Band

Whoop 4.0 Band

Fitness-forward sleep tracking with HRV, recovery, and strain analytics. Monthly subscription required.

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Fitbit Sense 2

Fitbit Sense 2

Great value for everyday users — tracks sleep stages, snore detection, and connects with the Fitbit app.

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Apple Watch Series 9

Apple Watch Series 9

Built-in sleep tracking for iOS users with seamless Health app integration and SpO2 tracking.

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