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The Dolphin Chronotype
The Light Sleeper (10% of population)
Dolphins are sensitive sleepers who often struggle with insomnia or broken sleep. They have nervous energy and their peak focus is usually in the mid-to-late afternoon.
Ideal Biological Schedule
Morning
- Natural Wake Time6:30 AM
- Peak Focus Window3:00 PM - 7:00 PM
Evening
- Caffeine Cutoff1:00 PM
- Wind Down10:00 PM
- Target Sleep11:30 PM
✓ Strengths
- • High intelligence and attention to detail
- • Can function on less sleep if necessary
- • Perfectionistic drive
✕ Challenges
- • Frequent insomnia
- • Anxious energy
- • Hard time winding down at night
Optimize Your Dolphin Schedule with ARC
Knowing your chronotype is only the first step. The real performance unlock comes from executing against it every single day. The ARC app is built specifically to guide Dolphins through their optimal biological schedule.
Instead of fighting your natural rhythm, ARC provides a live 24-hour daily trajectory. It tracks your caffeine half-life to ensure you hit your 1:00 PM cutoff, times your morning sunlight exposure, and sends smart notifications precisely when your biology needs them.