The ideal with coffee and caffeine. Every once in a while, detox (at least 24-48 hours) for optimal health.

For the most part, it seems coffee is a slave beverage (for us busy worker bees to keep on working, for longer hours, more vigorously).

Let us consider the ancient Greeks did not have coffee or caffeine. And yet they were still great.

A bad sign:

I cannot recall the last time I had a truly deep and restorative round of sleep.