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The best sleep trackers of 2024: Expert tested and reviewed

Get that good night's sleep you've been dreaming about with the best sleep trackers you can buy.

Oura Ring Gen 3 Horizon specs: Up to 7 days battery life | Sleep cycles | Bluetooth | 7.9mm wide, 2.55mm thick | Up to 100m water resistant | Blood oxygen, skin temperature sensor, heart rate monitoring | iOS and Android compatible Apple Watch Series 9 specs: Up to 18-hour battery life | Sleep cycles | Wi-Fi, Bluetooth, GPS, and/or cellular options | 41mm and 45mm models | IP6X dust and water resistant | Blood oxygen, body temperature sensor, EKG, irregular heart rate alerts | iOS only Garmin Venu 3S specs: Up to 10 days battery life | Sleep score and insights | Bluetooth | 41mm or 45mm | 5 ATM water resistant | GPS, heart rate, pulse oximeter blood oxygen monitor, barometric altimeter, accelerometer | iOS and Android compatible

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