Why do we fear the dark?

Related questions

1. How did Chris Kyle Navy SEAL die?
2. What is it called when you have a fear of the dark?
3. What is the fear of heights called?
4. What is the fear of dying alone called?
5. What causes humans to die?
6. Is phobia a mental illness?
7. What is the Zodiac killer's real name?
8. Has anyone ever died from a panic attack?
9. Do you sleep with a bra on?
10. Is it normal to fear death?

Tags

1. #other
2. #people
3. #development
4. #focused
5. #starts
6. #stimuli
7. #around
8. #shown
9. #afraid
10. #being
11. #darkness
12. #childhood
13. #viewed
14. #words
15. #normal
16. #because
17. #visual
18. #studies
19. #night
20. #often
21. #humans
22. #phobia
23. #cannot