"Your worst nightmare is someone else gets it and you can't use your own brand name, " says the 32-year-old, who began working on his New York-based business in 2008 while still in graduate school.

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Losing your spouse prematurely may be your worst nightmare.

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"It is a parent's worst nightmare that your child could go out for an evening's entertainment and this sort of thing could happen, " she said.

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Because they're so random, your life turns into a nightmare.

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The difference is that on Saturday the line between reality and daydream (or nightmare, depending on your allegiance) was blurred to insignificance.

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You are thrown into this, this nightmare, and within hours, your life, your plans, your goals, your future has completely changed.

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Of course, this nightmare scenario can't happen if your money is no longer pooled with everybody else's.

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What happens to your deductions, if the dream turns into a nightmare from which you wake up screaming ?

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At airport security, you pull your laptop out if its bag, and (nightmare of nightmares) you drop it by mistake, cracking the screen and ruining the hard drive.

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It was a publisher's nightmare, one on which you could lose your shirt.

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Without thorough planning, converting your primary residence to a rental property could become a financial nightmare.

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