Try swapping one of your later coffees for rooibos or a gently spiced golden...

https://rafaelssplendidperspective.scriblorax.com/posts/i-want-coffee-flavour-with-zero-caffeine-chicory-or-decaf

Try swapping one of your later coffees for rooibos or a gently spiced golden milk. Both make a comforting afternoon drink, without adding another dose of caffeine to your day