Does Mi band automatically track sleep?

Related questions

1. What is Xiaomi Mi Band 3?
2. Does Mi Band 3 have fingerprint sensor?
3. Can I track my MI Band 3?
4. Is xiaomi Band 3 good?
5. What can we do with MI Band 3?
6. Is MI Band 3 Sleep Tracker accurate?
7. Can Mi Band 3 receive calls?
8. What is the difference between honor band 3 and 4?
9. What is NFC in MI band?
10. What is the water resistance rating in MI band 4?

Tags

1. #accelerometer
2. #sleep
3. #moves
4. #measures
5. #similar
6. #fitness
7. #movements
8. #tracking
9. #doesn
10. #starts
11. #other
12. #actually