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Andrew Huberman@huberman-protocolsweb
Différer la consommation de caféine

what it claims

Wait 90 to 120 minutes after waking before consuming caffeine to avoid an afternoon energy crash.

mixed

This advice is based on the biological mechanism of adenosine, a molecule that accumulates during wakefulness and promotes sleep pressure.

noli's read

This advice is based on the biological mechanism of adenosine, a molecule that accumulates during wakefulness and promotes sleep pressure. By delaying caffeine, the idea is to allow the body to naturally clear residual adenosine before introducing a receptor blocker, which would theoretically limit the 'rebound' effect or crash. While the role of caffeine as an adenosine receptor antagonist is an established scientific fact (meta-analysis, Journal of Caffeine Research), the specific application of a 90-120 minute delay to prevent a crash remains a theoretical extrapolation. Most caffeine studies focus on cognitive or physical performance (RCT) rather than this specific timing in relation to the circadian rhythm. Genetic variations related to caffeine metabolism (CYP1A2 gene) mean that this rule will not be universally effective for everyone. It is therefore accurate to say that the mechanism is plausible, but the exact time window is more of an empirical observation than a clinical recommendation validated by an extensive body of scientific literature.

the sources

  1. 1NIH Office of Dietary Supplements 2026
  2. 2Manson JE et al. 2019
  3. 3Bhatt DL et al. 2019
  4. 4Khan SU, Lone AN, Khan MS, et al. 2021
  5. 5Liao Y, Xie B, Zhang H, et al. 2019
  6. 6hubermanprotocols.com (fan reference guide)

Claimed by Andrew Huberman. Noli grades the claim, never the person.

Decoded by Noli · July 18, 2026 · the original post

What the graded evidence says

Effect
CV events, high-risk patients on high-dose EPA (REDUCE-IT) — -25% relative (high-risk only)
Measured on
REDUCE-IT: 8,179 statin-treated high-risk patients

What’s uncertain

Strong for a specific medical use; modest for everyday wellness.

Others on this

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