Even scarier than pre-pre-Columbian giant angels: I woke in the night feeling cold! I turned up the thermostat and nothing happened.
April 14 was the night of the full moon.
I took a peek out the window and what appeared to be moonlight on grass was... after I went out, snow!
The tank gage failed and the furnace snuffed out. I bypassed the gauge and hooked up another tank in my pyjamas, fired the furnace, and went back to sleep.