Is sleeping with a light on bad?

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Tags

1. #including
2. #found
3. #bedtime
4. #getting
5. #right
6. #prevent
7. #night
8. #before
9. #depression
10. #sleep
11. #unnatural
12. #light
13. #exposure
14. #consequences
15. #health
16. #recently
17. #increased
18. #cycles
19. #study