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Behaviors19 mentions

Nasal Breathing at Rest

Breathe through the nose by default during rest and sleep, and use it as the preferred pattern whenever you are not speaking or eating. The practice is often trained deliberately during the day, including during easy exercise, to make nasal breathing more automatic. It can help keep the mouth from drying out, support oral health, and encourage a calmer, more efficient breathing pattern.

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It's very rare to see a video of athletes or non-athletes past 80 where they're breathing through their nose with their mouth shut.

Andrew Huberman · How to Improve Your Memory & Cognitive Function at Any Age | Dr. Alan Castel · Jul 13, 2026 · 57:53 · YouTube ↗
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