Curiously, we didn't see any more photos from newbie Hills dweller about temperature after that.
Snowy has her own solution for that time around 4:30am when the master of the house isn't up yet and the fire is burning low. She's scared us several times when, on emerging from the bedroom at a ridiculously long time before sunrise, there is no beagle to be seen. A moment of panic and a quick small-pet head count confirms no second dog. The check to find where said dog has escaped from, which window, door, air vent or skylight (don't ask) is forced open used to happen before she would reveal herself. Now we know just to check under our giant-sized cushions first.
Today's study revision: The way animals breathe. What happens when animals don't breathe. How to get animals to breathe again.