Does Samsung Galaxy watch track sleep?

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Tags

1. #requires
2. #those
3. #monitoring
4. #following
5. #watch
6. #accurate
7. #going
8. #heart
9. #sleeping
10. #usual
11. #patterns
12. #update
13. #sleep
14. #galaxy
15. #tracking
16. #continuous
17. #battery
18. #detect
19. #longer
20. #track