Andrew Huberman· PhD
If you recall when we talked about those equations, I said, you need about 8 ounces or 240 milliliters of fluid per hour for the first 10 hours of your day after waking.
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The headline is broadly defensible, but the qualifications matter. Effect sizes vary by population, the strongest claims rest on shorter trials, and credible voices push back on how it's typically framed.
If you recall when we talked about those equations, I said, you need about 8 ounces or 240 milliliters of fluid per hour for the first 10 hours of your day after waking.
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Native comments, Twitter mentions, and Reddit threads about this claim — surfaced together so the conversation isn't fragmented across platforms.
Bookmarking — the dossier-vs-overview split is the right call. Most of the time I want overview; sometimes I want receipts.
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That's the simple formulation that should basically ensure that you're getting sufficient baseline hydration for the cells and tissues of your body.