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Most people fight their brain every morning without realizing they started the fight.

Andrew Huberman says the foundation of mental clarity isn't supplements or sleep stacks. It's morning light in your eyes within the first hour of waking.

Ten minutes outside sets off a cascade your body runs on all day. Cortisol peaks at the right time. Melatonin releases 16 hours later. Every cell in your body syncs to the same clock.

Skip it consistently and that cortisol peak drifts later in the day. Huberman says that drift is a documented marker of depression.

Don't try to do it through a window. Don't negotiate the details. Just go outside.

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