Andrew Huberman· PhD
Across the literature the average suggestion of how much water to drink each day (independent of intake during exercise) is 8oz per waking hour for the first 10hrs of the day. Then 5oz/hr thereafter.
The evidence is convergent. Multiple independent sources reach the same conclusion, the underlying mechanism is well-characterized, and even the field's most cautious voices treat it as worth doing.
Across the literature the average suggestion of how much water to drink each day (independent of intake during exercise) is 8oz per waking hour for the first 10hrs of the day. Then 5oz/hr thereafter.
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8oz. for every 1hr for the 10 hrs after waking.
which translates to an average of 80 ounces of fluid for the first 10 hours of your day, or 2,360 milliliters of water. In other words, approximately 2 liters of water plus a little bit more for the first 10 hours of your day.
for every hour that you are awake in the first 10 hours of your day, this is important, in the first 10 hours of your day, you should consume on average, 8 ounces of fluid.