https://marco.org/2007/12/04/i-woke-up-at-5-am-and-noticed-that-there-had-been
I woke up at 5 AM and noticed that there had been a blackout and the clocks were blinking. Paranoid about waking up on time, I stumbled over and reset mine.
Then there was a second blackout, and I overslept anyway. Damn it.