circadian rhythm disruption challenge Circadian Reboot – E6 Daniel White Co-Founder of the Circadian Rhythm Disruption (CRD)... Pam Pam Killeen interviews Daniel White, a registered nutritionist and health coach, about the importance of circadian health and the impact of technology on our sleep patterns. Circadian Reboot – E5 Jeff Gibson Co-Founder of the Circadian Rhythm Disruption (CRD)... Pam Pam Killeen interviews Jeff Gibson, who shares his transformative journey into circadian health.