Are you a lark, a night owl, or somewhere in between?

10 questions. Takes about 90 seconds.

1. If you were entirely free to plan your day, what time would you get up?

   5:00–6:30 AM6:30–7:45 AM7:45–9:45 AM9:45–11:00 AMAfter 11:00 AM

2. If entirely free to plan your evening, what time would you go to bed?

   8:00–9:00 PM9:00–10:15 PM10:15 PM–12:30 AM12:30–1:45 AM1:45–3:00 AM or later

3. How easy do you find it to get up in the morning (no alarm needed)?

   Very easyFairly easyNeutralDifficultVery difficult

4. How alert are you during the first half-hour after waking?

   Wide awake immediatelyFairly alertNeitherSlow to wakePractically zombie

5. How is your appetite during the first half-hour after waking?

   Very hungryHungryNormalNot hungryCouldn’t eat anything

6. When would you prefer to take a tough physical fitness test?

   8–10 AM11 AM–1 PM3–5 PM7–9 PM10 PM–midnight

7. When do you feel sharpest for difficult mental work?

   Early morningMid-morningAfternoonEveningLate night

8. How do you feel by 10 PM on a typical day?

   Exhausted; ready for bedSleepyNeutralWide awakeEnergized; could start a project

9. Which type best describes you?

   Definitely morning typeRather morning than eveningBoth equally / neitherRather evening than morningDefinitely evening type

10. If you had to pick an 8-hour work shift, which would you choose?

    4 AM–noon8 AM–4 PM10 AM–6 PM2 PM–10 PM8 PM–4 AM