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🌙 Sleep
What is your sleep animal?
Lion, Bear, Wolf or Dolphin — discover your chronotype.
Choose the option that best describes you: 1 (strongly disagree) to 5 (strongly agree).
1I naturally wake up early and feel most alert in the morning.
2I do my best creative work late at night.
3I have a consistent sleep schedule and rarely vary my bedtime.
4I hit snooze multiple times and feel groggy until late morning.
5I'm most productive between 10am and 2pm — a solid middle-of-day peak.
6I have trouble sleeping — my mind races at bedtime and I wake up often.
7I can easily exercise first thing in the morning.
8I feel most social and energetic in the evening hours.
9I adapt easily to any schedule — I'm neither a morning nor a night person.
10I'm a light sleeper who needs perfect conditions (dark, quiet, cool).
Chronotype science
Your chronotype is your genetically determined sleep-wake preference. Dr. Michael Breus identified 4 chronotype animals based on the MEQ (Morningness-Eveningness Questionnaire, Horne & Östberg 1976).
The 4 chronotypes
- Lion (15%): Early riser, peak energy 6am-12pm. Natural leaders, high drive. Sleep: 10pm-6am.
- Bear (55%): Follows the solar cycle. Peak: 10am-2pm. Social, team-oriented. Sleep: 11pm-7am.
- Wolf (15%): Night owl, peak creativity 5pm-midnight. Introverted, creative. Sleep: 12am-8am.
- Dolphin (10%): Light, fragmented sleeper. Intelligent but anxious. Irregular sleep patterns.
Research
- Chronotype is 50% genetic — the PER3 gene strongly influences it (Archer et al. 2003)
- Society has a "morning bias" — night owls earn 4-8% less (Randler 2009)
- Forcing a Wolf to live like a Lion causes "social jet lag" — linked to obesity and depression
- Chronotype shifts across life: teens are Wolves, elderly become Lions
Sources: Horne & Östberg (1976, MEQ), Breus (2016, chronotype animals), Archer et al. (2003, PER3), Roenneberg et al. (2003, social jet lag).