It is an extreme fear of night or darkness that can cause intense symptoms of anxiety and depression. A fear becomes a phobia when it's excessive, irrational, or impacts your day-to-day life.
<h2><u><em>Nyctophobia is an extreme fear of night or darkness that can cause intense symptoms of anxiety and depression. A fear becomes a phobia when it’s excessive, irrational, or impacts your day-to-day life.</em></u></h2>
"Go with your grandma to her doctor to listen and take notes about her treatment options." This will mean you went for the sole cause of helping others improve their health.