Episode 139 | Light as a Conductor | How to Orchestrate Better Sleep, Mood, and Metabolism
Most of us live in a light-deprived world. We spend less than 15 minutes outside daily—despite thinking we're outdoors for hours—leaving our circadian rhythms dangerously misaligned. In this episode, Dr. Jamie Zeitzer and Lucas Tang of Lumos Glasses break down how light acts as a conductor, orchestrating every system in your body: your sleep, mood, metabolism, and immune function. You'll discover why the contrast between bright days and dark nights matters more than total light exposure, why morning light directly impacts serotonin production and depression risk, and how light therapy works synergistically with SSRIs. Whether you have outdoor access or not, they share practical, evidence-backed tools to reclaim your natural rhythm—from outdoor time to Lumos Glasses, a fashionable light-therapy solution for those who can't get consistent daylight. This episode cuts through outdated light-therapy advice and equips you with science-grounded strategies to transform your health from the inside out.
Resources mentioned:
• Dr. Jamie Zeitzer (circadian rhythm researcher)
• Lucas Tang (Lumos Glasses co-founder)
• Lumos Glasses (light-therapy eyewear)
• Happy Light (light therapy lamp)
• NHANES (National Health and Nutrition Examination Survey)
• US Bureau of Labor Statistics Time Use Survey
• OSHA workplace lighting standards
• UBC landmark study (light therapy + fluoxetine for depression)
• Fluoxetine (SSRI medication)
Links mentioned:
Circadian Rhythm and Light Therapy Guide here: https://dradamrinde.kit.com/5320da545b
Sponsorship Mentioned: Pulsetto: Listen for special code mentioned in the episode https://pulsetto.sjv.io/jed7KM
Links:
• Lumos Glasses: https://www.lumosglasses.com
• Lumos Glasses on LinkedIn: https://www.linkedin.com/company/lumosglasses/
• Lumos Glasses on Instagram: https://www.instagram.com/lumosglasses
• Lucas Tang on LinkedIn: https://www.linkedin.com/in/lucaswencanada
• Dr. Jamie Zeitzer on LinkedIn: https://www.linkedin.com/in/jamie-zeitzer-7888185/
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