![Samsung Electronics Galaxy Watch 4 40mm Smartwatch with ECG Monitor Tracker for Health Fitness Running Sleep Cycles GPS Fall Detection Bluetooth US Version - (Renewed) (Black) 40 mm Bluetooth Black Samsung Electronics Galaxy Watch 4 40mm Smartwatch with ECG Monitor Tracker for Health Fitness Running Sleep Cycles GPS Fall Detection Bluetooth US Version - (Renewed) (Black) 40 mm Bluetooth Black](https://www.gosupps.com/media/catalog/product/cache/25/image/1500x/040ec09b1e35df139433887a97daa66f/5/1/51FSms78nXL._AC_SL1084_.jpg)
Samsung Electronics Galaxy Watch 4 40mm Smartwatch with ECG Monitor Tracker for Health Fitness Running Sleep Cycles GPS Fall Detection Bluetooth US Version - (Renewed) (Black) 40 mm Bluetooth Black
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I got a smartwatch so I could see how badly I sleep. after wearing it all night it still thinks I haven't even went to bed. : r/mildlyinfuriating
![Amazon.com: SAMSUNG Galaxy Watch 4 44mm Smartwatch with ECG Monitor Tracker for Health, Fitness, Running, Sleep Cycles, GPS Fall Detection, Bluetooth, US Version, Black : Electronics Amazon.com: SAMSUNG Galaxy Watch 4 44mm Smartwatch with ECG Monitor Tracker for Health, Fitness, Running, Sleep Cycles, GPS Fall Detection, Bluetooth, US Version, Black : Electronics](https://m.media-amazon.com/images/I/61Jm8NXNc5L._AC_UF894,1000_QL80_.jpg)
Amazon.com: SAMSUNG Galaxy Watch 4 44mm Smartwatch with ECG Monitor Tracker for Health, Fitness, Running, Sleep Cycles, GPS Fall Detection, Bluetooth, US Version, Black : Electronics
![Amazon.com: GUIQU Smart Watch with Earbuds, Bluetooth 5.3 HiFi Sound Effect [GPS 45mm] Monitor Tracker for Health Fitness Running Sleep Cycles, US Version Compatible Android and iOS : Electronics Amazon.com: GUIQU Smart Watch with Earbuds, Bluetooth 5.3 HiFi Sound Effect [GPS 45mm] Monitor Tracker for Health Fitness Running Sleep Cycles, US Version Compatible Android and iOS : Electronics](https://m.media-amazon.com/images/I/71Uy5PM6pZL.jpg)
Amazon.com: GUIQU Smart Watch with Earbuds, Bluetooth 5.3 HiFi Sound Effect [GPS 45mm] Monitor Tracker for Health Fitness Running Sleep Cycles, US Version Compatible Android and iOS : Electronics
![With watchOS 9 update, Apple Watch tracks sleep cycle stages and gives you a detailed breakdown. Is this Apple catching up with Fitbit and Samsung? | South China Morning Post With watchOS 9 update, Apple Watch tracks sleep cycle stages and gives you a detailed breakdown. Is this Apple catching up with Fitbit and Samsung? | South China Morning Post](https://cdn.i-scmp.com/sites/default/files/d8/images/canvas/2022/08/17/72f367bd-168c-410c-8a83-998d2c5fe8de_a57170fd.jpg)