"realization dawns" is a correct and usable phrase in written English.
It is used to describe a moment when someone has an insight or understanding of something. For example, "When she read the management's memo, realization dawned - the company was now in serious financial trouble."
As the curtain falls, the realization dawns that some artists can never be replaced.
It may take 5 minutes or 50 before that realization dawns.
Sadness is replaced by relief as the realization dawns that only one of the incumbent's customer segments is being targeted by the focused entrant.
The Art Newspaper's Chinese edition, in a cover story, cited an art academic, Zhao Li of the Central Academy of Fine Arts in Beijing, as saying that China lacks a domestic culture of passing art down from generation to generation, so when the realization dawns that something has value, collectors can only turn to the market and "go shopping".
"When it comes to the point where you occasionally look forward to being in prison on the basis that you might be able to spend a day reading a book, the realization dawns that perhaps the situation has become a little more stressful than you would like," he said over the London lunch.
The work recalls the discomfort and anxiety elicited by Richard Serra's famous "One Ton Prop (House of Cards)," as the realization dawns on the viewer that the thudding music is certain to continue until 7 A.M. and will make sleep impossible.
We paused, as realization dawned.
And then the realization dawned on me!
Realization dawned when he noticed Robyn.
As Ms. Richardson, a vice president for information technology, looked at the papers, the realization dawned.
The same realization dawned on Ms. Gund when she learned of the work by Mr. Bennett and Mr. Bonevardi.
