In reality, genuine epiphanies are extremely rare. In contemporary adult life maturation & acquiescence to reality are gradual processes. Modern usage usually deploys epiphany as a metaphor. It is usually only in dramatic representations, religious iconography, and the 'magical thinking' of children that insight is compressed to a sudden blinding flash.
Brief Interviews With Hideous Men (ed. Hachette UK, 2012) - ISBN: 9781405520997