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Zaid K. Dahhaj

Circadian educator & coach restoring human health through circadian alignment

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The 80/20 Circadian Course

The few circadian inputs that fix your sleep and energy, in the order that matters

$249
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The Circadian Classroom

Weekly essays on circadian subjects. Read by 12,000+ people

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Ways to Work With Me

1:1 circadian coaching for people ready to apply these principles with direct guidance