Said Hasyim's Quote

"A cup of coffee has been a morning pick-me-up for many people to wake their brains up. If you possess a robust circadian rhythm, you don't need coffee to keep you awake in the morning."
Peak Human Clock

The fact that having a healthy circadian rhythm can be enough to keep you up in the morning without resorting to consuming caffeine is a valuable tool for well-being.

Boxset of Peak Productivity book

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