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Chronotype quiz

Eight quick questions and your free-day sleep times. You'll get your spot on the early-to-late scale and the hours that suit it.

1. With no alarm and no plans, when would you naturally wake up?
2. If you could pick freely, when would you go to sleep?
3. How do you feel in the first 30 minutes after waking?
4. A friend suggests a hard workout at 7 AM. You would feel…
5. When do you do your sharpest thinking?
6. At 10 PM on a normal evening you usually feel…
7. After a late night, you sleep in…
8. Which describes you best?
On free days with no alarm, you usually…

Answered 0 of 8

Your result appears here as soon as all eight questions are answered.

How chronotype is measured

Sleep researchers mostly use two tools. The Morningness–Eveningness Questionnaire (Horne and Östberg, 1976) asks about preferences, like the questions above. The Munich ChronoType Questionnaire (Roenneberg and colleagues) uses the midpoint of your sleep on free days, corrected for catch-up sleep. This quiz combines a short preference score with your free-day mid-sleep, so it reflects both what you prefer and what you actually do.

Chronotype isn't a personality. It changes across life: children are early, teenagers drift late (peaking around age 20), and people get earlier again with age. Roenneberg's data from tens of thousands of people show chronotype is spread along a smooth curve, not a few boxes.

Questions people ask

What is a chronotype?

Your chronotype is where your body clock naturally sits relative to the sun: early types (larks) get sleepy and wake early, late types (owls) do both later. It is partly genetic and shifts with age, becoming later in the teens and earlier after about age 20.

How accurate is this chronotype quiz?

It is a short self-assessment, not a clinical test. The most informative signal is when you sleep on free days without an alarm, which is the basis of the Munich ChronoType Questionnaire used in research. Treat the result as a useful guide.

What are the lion, bear, wolf and dolphin chronotypes?

Those are popular-book labels. Researchers usually describe chronotype as a continuous scale from early to late, measured by the midpoint of sleep on free days. This quiz uses that scale with plain names: early, intermediate and late.

Can I change my chronotype?

You can shift your clock somewhat with consistent wake times and morning light, but your underlying tendency is fairly stable. Working with it, where possible, usually beats fighting it.

Are night owls less healthy?

Late types are more likely to have social jet lag, because work and school start early, and that mismatch is linked to poorer sleep. The problem is the mismatch rather than being an owl in itself.

Sources

  • Horne JA, Östberg O (1976). A self-assessment questionnaire to determine morningness-eveningness in human circadian rhythms. International Journal of Chronobiology, 4(2).
  • Roenneberg T et al. (2003). Life between clocks: daily temporal patterns of human chronotypes. Journal of Biological Rhythms, 18(1).
  • Roenneberg T et al. (2004). A marker for the end of adolescence. Current Biology, 14(24).