Sleep Habits & Chronotypes
Sleep Habits & Chronotypes is a structured health dataset with 10 entries. Its fields include Chronotype / Habit, Typical Sleep Time, Peak Productivity. Community voting appears as a separate signal beside eligible rows and does not replace the source values.
Every row is shown below and is also available as CSV, JSON, or Excel.
Dataset details
- Table scope
- All 10 rows
- Fields
- 5 columns
- Source
- Community curated
- Data updated
- Mar 6, 2026
Included fields: Chronotype / Habit, Typical Sleep Time, Peak Productivity, % of Population, Famous Example.
The table contains every record in this dataset; the same records are available in each download format.
Preview observations
- % of Population groups
- 9 distinct values
- Across 10 preview rows
Useful for
- Comparing Chronotype / Habit, Typical Sleep Time, and Peak Productivity across health entries
- Building reference tables, charts, or analyses from 10 downloadable records
Chronotype / Habit↕ | Typical Sleep Time↕ | Peak Productivity↕ | % of Population↕ | Famous Example↕ |
|---|---|---|---|---|
Lion (Early Bird Extreme) | 9pm–5am | 6am–12pm | 15-20% | Tim Cook (3:45am), Apple CEO, answers emails at 4am, gym by 5am |
Bear (Average) | 11pm–7am | 10am–2pm | 50-55% | Most people, follows the solar cycle, productive mid-morning, post-lunch dip |
Wolf (Night Owl) | 1am–9am | 5pm–12am | 15-20% | Barack Obama (reads until 2am), creative types, forced into 9-5 misery |
Dolphin (Light Sleeper) | 11:30pm–6:30am (interrupted) | 10am–12pm, then 4-6pm | 10% | Anxious sleepers, half-brain-awake pattern, often struggle with insomnia |
Biphasic Sleeper | 12am–6am + 2pm nap | 9am–1pm, 3pm–7pm | Common in Mediterranean | Spanish siesta culture, Winston Churchill napped daily, NASA found 26-min naps boost performance 34% |
Polyphasic (Uberman) | 6x 20-min naps across 24hrs | Supposedly always (2 hours total sleep) | <0.1% (extreme biohackers) | Leonardo da Vinci allegedly did this, Silicon Valley experimenters, most people crash within weeks |
5am Club | 9:30pm–5am | 5am–8am (golden hours) | Growing movement | Robin Sharma's book, Jocko Willink (4:30am), the hustle culture alarm clock |
Teenager Pattern | 1am–10am | 11am–1pm, 7pm–11pm | Biological (puberty shift) | Schools start too early for teen biology, melatonin shifts 2hrs later in puberty |
Shift Worker | Rotating/broken | Varies by shift | 15-20% of workforce | Nurses, factory workers, 24/7 economy, WHO classifies night shifts as 'probably carcinogenic' |
Social Jet Lag | Weekday: 12am–6:30am, Weekend: 2am–11am | Mid-morning on good days | ~70% of people | The Monday zombie phenomenon, 2+ hour sleep schedule difference between work and free days |
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