The heating pad didn’t satisfy my needs and wants so it went to a new home. May it serve the new owner well.
Time to try the no-tech option. I got a real rubber hot water bottle and filled it with not quite boiling water. Mmmmm, nice and warm. I slipped it under the covers between my feet. Having never used a water bottle before, I didn’t know whether I was supposed to simply keep it in the general vicinity of my feet or rest my feet against it. I went with the latter. But that left me with tootsies that were toasty on one side and chilly on the other. So I moved my feet, leaving them feeling neither warm or cold. Okay, I’d try that.
I always change sleeping positions several times before falling asleep. Now I was bumping against the water bottle each time. I would move the bottle to make room for my feet, ankles, shins. Kind of annoying.
My big question was how long the bottle would stay warm. I understand a little bit of physics and know that when objects of different temperatures come in contact for a period of time, their temperatures eventually average out, with cold things warming up and warm things cooling down. And I also know that everything cools down unless more heat is applied. My semi-educated guess was that the hot water bottle would end up being a no-warmer-than-me bottle by morning.
And that was what happened the first night. Then there were several nights in a row that were warmer and my feet were happy without the bottle. The results the next chilly night were pretty much the same. I think if it had been seriously cold the bottle would’ve stopped being warm in the middle of the night.
So, meh, I don’t think a hot water bottle is the answer. The quest will continue.