Why do spiders bite you when you sleep?

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Tags

1. #humans
2. #often
3. #bloodsuckers
4. #basement
5. #reason
6. #aware
7. #floor
8. #spiders
9. #might
10. #wander
11. #sleeping
12. #every
13. #spider
14. #unless
15. #existence
16. #usually
17. #twice
18. #night
19. #result
20. #facts