Daily neuromodulator cycle

What experts have said about Daily neuromodulator cycle

1 statement · 1 mixed

1. Andrew David HubermanMixedAug 6, 2026· Huberman Lab Essentials

   After nine hours awake, dopamine and epinephrine decline while serotonin begins increasing.

   “from nine to about 16 hours is what we will call phase two. And that's when dopamine and epinephrine levels tend to subside a bit compared to the earlier phase one part of the day, and serotonin levels start to increase.”

   Listen at 2:49

   Open the episode · Essentials: Control Your Brain Chemistry for Focus, Motivation & Well-Being

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