(the) light dawned (on somebody) expression phrase
Someone suddenly understood or became aware of something after a period of not knowing or realizing it.
The teacher said I had made a mistake in this exercise. At first, I didn't realize which parts of it I blundered, but then the light dawned.
Only when my deskmate patted on my shoulder did the light dawn on me about my nodding off.
Despite pondering over that exercise for hours, I hadn't find a solution to it. However, when I was about to sleep, the light dawned.
To understand easily what someone is thinking or feeling
Be able to understand one's behaviour or character
To try to imagine how would you feel if you were in someone's else situation
To know powerful and influential people who can support you
This expression dates from 1800s.