The Science of Sleep Timing
Understanding Chronotypes
Are You a Bear, Wolf, Lion or Dolphin?
Learn how your natural sleep-wake pattern affects your ideal schedule.
Genetic Factors in Sleep Timing
How your PER3 gene influences whether you’re a morning or evening person.
Creating Your Ideal Schedule
Calculating Your Sleep Need
Most adults require 7-9 hours, but individual needs vary significantly.
The Gradual Adjustment Method
How to safely shift your schedule by 15 minutes daily.
Maintaining Consistency
Weekend Sleep Strategies
The 90-Minute Rule
Why sleeping in more than 90 minutes disrupts your rhythm.
Recovery Nap Techniques
How to compensate for lost sleep without ruining your schedule.
Environmental Synchronizers
Morning Light Exposure
10,000 lux for 30 minutes resets your internal clock.
Evening Darkness Protocol
When and how to dim lights for melatonin production.
Troubleshooting Schedule Issues
Dealing with Social Jetlag
When work and social demands conflict with your biology.
Shift Work Adaptation
Evidence-based methods for rotating schedules.