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by bevan 751 days ago
There’s a Huberman Lab for that: https://youtu.be/at37Y8rKDlA

He cites more evidence showing that even moderate dehydration (when you aren’t thirsty) leads to lower performance (mental and physical). And talks about overhydration and hyponatremia. IIRC also discusses how hydrating at different times of day affects you, turns out your kidneys dump water quickly if you drink too late. So hydrate before six.