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Amazon.com: SAMSUNG Galaxy Watch 5 44mm Bluetooth Smartwatch w/Body, Health, Fitness and Sleep Tracker, Improved Battery, Sapphire Crystal Glass, Enhanced GPS Tracking, US Version, Blue : Electronics
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Samsung Health vs. Sleep as Android measuring the same night on Galaxy Active2: 0h vs. 6.5h of deep sleep. Is all the sleep tracking based on wrist measurement just nonsense? : r/shealth
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