Body · 38 questions · ~10 min · Horne–Östberg

Chronotype Test

Find your natural clock — and stop fighting it.

This free chronotype test measures your body clock and peak hours. Your answers become a 0–100 score and a personal reading — a clear first step to understanding your body, not a clinical diagnosis.

Take the free Chronotype test →
New to this? Read the guideChronotype: Are You a Morning Lark or Night Owl? The Science of Your Body Clock

What the Chronotype test measures

  • Morningness
  • Rhythm consistency

The science behind it

Grounded in Horne & Östberg (1976). The standard of sleep research for 45+ years The Chronotype test uses original items and measures patterns, never disorders.

Your possible results

The Chronotype test sorts your pattern into one of five result types. Read what each one means:

Chronotype test — questions

Is the Chronotype test free?

Yes. The Chronotype test is completely free to take, and you get your result and a personal reading at the end — no payment required to see where you land.

How long does the Chronotype test take?

About 10 minutes. It has 38 questions, and there are no right or wrong answers — you just respond honestly to how each statement fits you.

Is the Chronotype test scientifically grounded?

It draws on Horne & Östberg (1976). The standard of sleep research for 45+ years Our items are original; we measure patterns, not disorders.

How accurate are the results?

Your Chronotype result is computed only from your own answers on a 0–100 scale — no comparison to strangers, nothing invented. It reflects the patterns you reported, and it is a starting point for self-understanding, not a clinical diagnosis.

Do I need an account to take the Chronotype test?

No. You can take the Chronotype test right away. Saving your full portrait across assessments is optional and happens after you finish.

Start the Chronotype test — free, ~10 min →

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