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For anything requiring a direct reply, email is best.
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Quick feedback, bug reports, or just saying hi.
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What can we help with?
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Methodology feedback
Found a flaw in the science? We take this seriously. Include a source and we'll review.
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Bug reports
Schedule looks wrong? Include your inputs (wake, bed, chronotype, medication) and what you expected.
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Feature suggestions
Ideas for new variables, visualisations, or export formats are welcome.
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Press / media
Covering chronobiology or caffeine science? We're happy to provide comment or methodology notes.
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Data requests, GDPR inquiries, or other legal matters β€” use the contact form and mark as Legal.
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