Why is the snooze time 9 minutes?

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Tags

1. #consensus
2. #clocks
3. #clock
4. #restricted
5. #according
6. #sleep
7. #minutes
8. #because
9. #digital
10. #snooze
11. #gears
12. #could
13. #minute
14. #decided
15. #before
16. #allow
17. #people
18. #mental
19. #standard
20. #periods
21. #makers
22. #floss
23. #engineers