Is it instinctive to be startled of the gloom??
Answers: Being startled of the dark is regular. You just cant convey what is near you, or who is watching (even thought they couldn't see either). Just see in your mind`s eye how someone blind would feel, one dark ALL the time. Keep that within mind next time you get hold of scared.
The just thing to alarm is fear itself.-FDR
You bet. Our ancestors be most at risk from nighttime predators who would hunt them when the predators could see but our ancestors couldn't. Fear of the dark is as hardwired into our genes as the desire to reproduce.
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