Health

Sleep Habits & Chronotypes

10 sleep habits and chronotypes with typical wake/sleep times, productivity peaks, population percentages, and descriptions.

10 rows6 columns0 views0 downloadsSource: Sleep FoundationUpdated: 2/18/2026
sleephealthchronotypeslifestyle
10 of 10 rows
Chronotype
Wake Time
Sleep Time
Productivity Peak
Population (%)
Description
Early Bird (Lion)5:30 - 6:00 AM9:00 - 10:00 PMMorning (8 AM - 12 PM)15Natural early risers who are most alert and productive in the morning hours. Often leaders and optimists.
Night Owl (Wolf)9:00 - 10:00 AM12:00 - 2:00 AMEvening (5 PM - 12 AM)15Peak creativity and energy come alive after dark. Often artists, writers, and creative professionals.
Bear (Most Common)7:00 - 8:00 AM10:30 - 11:30 PMMid-morning (10 AM - 2 PM)50Sleep-wake cycle follows the solar cycle. Most productive during mid-morning. Social and easygoing.
Dolphin (Light Sleeper)6:30 - 7:30 AM11:00 PM - 12:00 AMMid-morning (10 AM - 12 PM)10Irregular sleep patterns with frequent waking. Often anxious, highly intelligent, and detail-oriented.
Biphasic Sleeper6:00 - 7:00 AM10:00 - 11:00 PMMorning and late afternoon3Splits sleep into two periods: a main sleep at night and a 20-90 minute nap in the afternoon.
Polyphasic SleeperVaries (multiple cycles)Varies (multiple cycles)Distributed throughout day1Sleeps in multiple short sessions (3-6 naps) throughout the 24-hour day, totaling 2-6 hours.
Siesta Style7:00 - 8:00 AM11:00 PM - 12:00 AMMorning and evening3Main nighttime sleep with a 1-2 hour afternoon nap. Common in Mediterranean and Latin American cultures.
Early Riser Extreme3:30 - 4:30 AM7:30 - 8:30 PMPre-dawn to late morning1Advanced sleep phase disorder. Wakes extremely early and feels sleepy by early evening. Often genetic.
Late Night Creative11:00 AM - 1:00 PM3:00 - 5:00 AMLate night (10 PM - 3 AM)1Extreme night owl pattern. Peak creative output during late night hours. Common among freelancers and artists.
Flexible/AdaptiveVaries by scheduleVaries by scheduleAdjusts to current schedule1Naturally adaptable sleep pattern. Can shift wake/sleep times easily without major fatigue. Rare trait.
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