Getting Started

  • Getting Started FAQs

    Quick answers about setup, charging, safety, cleaning, troubleshooting, and daily use.

    View FAQs 

  • User Manual

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

    Open User Manual 

  • How To Video

    See how to wear and use the HumanCharger correctly before your first session.

    Watch Video 

Explore FAQs by Topic

  • Circadian Rhythm FAQs

    Learn how light, sleep, melatonin, cortisol, and your internal body clock work together.

    View FAQs 

  • Sleep, Energy & Focus FAQs

    Answers about sleep quality, morning energy, afternoon fatigue, brain fog, focus, and mood.

    View FAQs 

  • Travel & Jet Lag FAQs

    Timing, long-haul travel, eastbound and westbound trips, and the HumanCharger Jet Lag Protocol.

    View FAQs 

  • Shift Work & Performance FAQs

    Guidance for nurses, first responders, pilots, drivers, executives, athletes, and rotating schedules.

    View FAQs 

  • Shift Worker Professions

    See the industries and occupations most affected by night, rotating, early-morning, and irregular schedules.

    See Professions 

  • SAD Lamp FAQs

    40 practical questions about 10,000 lux, distance, duration, portability, daily use, and SAD lamp alternatives.

    Explore SAD Lamp FAQs 

  • Athlete Performance FAQs

    Answers about focus, energy, recovery, travel, training, and using HumanCharger around competition.

    View FAQs 

  • Executive Performance FAQs

    Answers about focus, energy, decision-making, travel, long workdays, and performing under pressure.

    View FAQs 

Studies & Testimonials

  • Studies & Articles

    Curated research and articles on bright light, circadian rhythm, sleep, jet lag, shift work, mood, and human performance.

    Explore Studies 

  • Testimonials

    Real-world feedback from travelers, athletes, shift workers, medical professionals, and executives.

    Read Testimonials 

  • Understanding the Science

    A clear look at bright light, circadian rhythm, sleep, energy, focus, recovery, and why timing matters.

    Learn the Science