In a message dated 12/07/1999 12:18:55 PM Eastern Standard Time, firstname.lastname@example.org writes:
> Is this a universal phenomenon? Does everyone experience this as a
> traumatic moment, after which you know that your days are numbered?
I didn't sleep well for a couple of months after my mortality dawned on me at age 7 or so. But, I didn't have a sudden epiphany. The thought crept up on me gradually.