There are decaf coffees and teas, but they are never truly caffeine-free, a small amount of caffeine will always be present. For true caffeine-free tea, it has to be herbal tea (ie not Camellia sinensis). I grow peppermint, spearmint, chamomile, lavender, stevia, etc. in my garden. They all make for really satisfying herbal teas. I usually make mint + stevia tea at night. It helps digest dinner and really relaxes me. Just add boiling water to the herbs, wait five minutes, and pour through a strainer. There may be some drawbacks to decaf coffee and tea. Here's a really quick paragraph regarding coffee (under the "Drawbacks of drinking decaf coffee" section):
https://www.nationwidecoffee.co.uk/news/decaf-coffee-the-good-and-the-bad
For frame of reference, I used to be a coffee junkie, sourced whole beans, grinded them fresh for each cup, had a barista-level pour over, etc. - I went down the rabbit hole. Quitting coffee really killed my anxiety and higher heart rate. My mind throughout the day was way less frenetic. I then moved to teas exclusively, and also went down a rabbit-hole with puerhs, heichas, etc. but they still made me edgy and negatively affected my sleep. I finally came to the realization that I just needed to cut caffeine altogether, aside from a rare social coffee here and there. Once I did that I'm at a great baseline. Heart rate is never high, anxiety is never there, and my sleep is much better. If you want to check out some really high quality herbal teas, check out Steven Smith Teamaker out of Portland, Oregon. Really good stuff. Here is there current collection of caffeine-free herbal teas:
https://www.smithtea.com/collections/all-tea/herbal+caffeine-free
This thread has been an inspiring read, guys. I grew up around abusive alcoholics and have always had an aversion to drunk dudes. I was never a heavy drinker, but decided to go zero alcohol several years ago for health reasons. Someone else in this thread made the comment "I've never seen someone made better by drinking" (paraphrasing), and you can't really put it any better than that. Alcohol brings out the worst in people, and is a net negative on overall health. Best of luck to all you guys and gals out there.