Why does coffee sometimes make me tired?

Caffeine has a well-justified reputation for being an energy booster, but becoming too dependent on it will have the opposite effect.

source https://www.smh.com.au/lifestyle/health-and-wellness/why-does-coffee-sometimes-make-me-tired-20210914-p58re2.html?ref=rss&utm_medium=rss&utm_source=rss_feed