"Sudden realisation" refers to the moment when someone suddenly understands or comprehends something that was previously unknown or unclear to them. Full definition
As it so often does, his weight increased slowly year after year with no sudden realisation that he needed to do something about it. (totalwellbeingdiet.com)
Now, in the sudden realisation of demand for dairy production, especially from China, premiums are being paid for processors Warrnambool Cheese and Butter, Pactum Dairy Group and Harvey Fresh. (afr.com)
When we were staying with my parents recently and I was cooking the meals I had a sudden realisation about how many dishes we have with chilli... (sustymeals.com)