I've had them before, mostly of inconsequential events, but today was...interesting.
I snapped awake suddenly, just before my dad left for work, and could've sworn the power had just gone out, but it had not, and I quickly fell back asleep. Not an hour had passed before I was woken up to tell me that the power had indeed gone out about 20 minutes earlier, and would not be back for another two hours, because a pole had burned down, of all things.
That freaked me out just a wee bit.
J