Science & Circadian Rhythm

  • The Science of Bright Light & Circadian Rhythm

    A simplified overview of circadian rhythm, light exposure, and the science behind bright light technology.

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  • The Fantastic Four Hormones

    A simple explanation of how melatonin, serotonin, dopamine, and cortisol influence sleep, energy, mood, and focus.

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Protocols

  • Jet Lag Protocol

    Recommended travel usage guidance for long-haul flights and time-zone adjustment.

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  • Shift Work Protocol

    Suggested bright light usage guidance for rotating schedules, night shifts, and social jet lag.

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Validation

  • Studies & Articles

    Curated publicly available research related to bright light, circadian rhythm, sleep, travel fatigue, and human performance.

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  • Testimonials

    Feedback from travelers, athletes, shift workers, medical professionals, and executives.

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Watch Before Your First Session

This video shows you how to correctly wear your HumanCharger and get the most from every session.

Support

  • FAQs

    Answers to common questions about usage, safety, charging, travel, shift work, and daily use.

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  • Download the User Manual

    Download the complete User Manual for setup, operation, safety information, cleaning, troubleshooting, and warranty information.

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