I have a very similar approach, but I usually drink a 2nd cup of green tea in the morning. I feel it helps my intermittent fasting.

I switched over to mushroom coffee since I couldn’t tolerate decaf. Still has some caffeine but doesn’t leave me jittery.

And how is your sleep?

I wonder why for coffee you have it decaff but you are happy with tea, that has more caffeine than coffee.

I hear that often enough. I think the confusion is that it's true by dry weight of beans/leaves, but a cup of coffee will typically have more caffeine than a cup of tea by a factor of a few.

Tea of any kind doesn't have more caffeine than Coffee. And green tea has less caffeine than black tea.

https://www.mayoclinic.org/healthy-lifestyle/nutrition-and-h...

It was about decaf