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The Circadian Nutrition

About

Assessment

Approach

Join the Circle

The Circadian Nutrition

About

Symptoms

Approach

Blog

Media

Contact & FAQ

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Join the Circle

FREE · ABOUT THREE MINUTES

3am.

What time does your body keep?

Each of us runs on a clock of our own, and 11 questions show how it fits the week we keep.

Start the assessment

Lite or Full

See how your routine compares.

Start free with 11 questions, or go deeper with all 49.

Morning

Evening

EARLY / LATE / SOMEWHERE BETWEEN

Sample result. Made-up answers, not a real person.

Step one · Free

Start with the free assessment.

11 questions, about three minutes.

Chronotype

One of five types, from Early Lark to Night Owl.

Social jetlag

The gap between our body clock and our working week, in hours and minutes.

The Index

Our band on the Circadian Health Index (CHI), and one thing to try first.

Leave an email address and the result opens in a new tab.

CHI is the score inside my Circadian Matrix™ framework: a research framework in peer review, not a diagnosis. General education, not individual advice.

Sample result. Made-up answers, not a real person.

Step two · EUR 19

Go deeper with the Full assessment.

49 questions, about 15 minutes.

The number

The Circadian Health Index (CHI) as a number, from 0 to 100.

The breakdown

The score, domain by domain.

The full report

On screen, and saved as a PDF.

The Full assessment, EUR 19

EUR 19 once, VAT included. An educational assessment, not a diagnosis.