It’s up to you, Frank. My own personal vote would be for ‘after’ - and I think that has some application to people in general who want to lose fat, fix their metabolism, etc.
We wake up after sleeping, we haven’t done anything yet. Hopefully during sleep we switched over from burning food taken in to burning our own stored fat. We’re made to do that, and if things had stayed in balance there between storage and withdrawls we probably wouldn’t have gotten fat, diabetic, etc., in the first place.
Staying in ‘withdrawl mode’ after waking up means we should keep taking from our stored fat to furnish energy for our activities. I’m not at all saying it “has to be this way.” Lots of people do fine eating earlier in the day and not eating during so many hours before going to sleep.
As a practical matter, I’m used to people (myself included) eating lunch and then feeling less energetic afterwards. If I’m going to be spreading ten bags of mulch, do I want to eat after doing the first five? Oh HECK no. And I don’t want to eat before starting, either. Even if I’m hungry before doing something like that, once I’m doing it the hunger gets much less or goes away entirely.
Eating one meal a day gives a lot of good solutions to timing things - in the end it comes down to what suits you best.