Biohacking with Brittany The Dark Side of Modern Light: What Women Need to Know About Blue Light and Hormones with Filter Optix
Dec 6, 2025
Robin Andersen, co-founder of Filter Optix and a Norwegian engineer specializing in blue-light filtering eyewear, dives into the fascinating impacts of blue light on women's health. She reveals how it disrupts sleep and hormones, and offers practical light management tips for balancing screen time and natural light. Discover how orange and red lenses can promote relaxation, especially for busy moms. The conversation also covers alleviating migraines and effective strategies for nighttime parenting, all aimed at enhancing energy and well-being.
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Use Specific Lenses By Time Of Day
- Put on orange or red lenses in the hour or two before bed to block energizing blue wavelengths.
- Use yellow or clear-tinted lenses during daytime screen work to reduce eye strain and digital fatigue.
Blue Light Triggers Cortisol-Melatonin Conflict
- Blue light around 450 nm is highly energizing and can raise cortisol when seen at night.
- Elevated evening cortisol suppresses melatonin and disrupts sleep and hormonal balance.
Less Blue Light Can Increase Sensitivity
- Reducing evening blue light can make you more sensitive to blue exposure later, like food sensitivity after dietary changes.
- That increased sensitivity reflects reduced chronic stress and improved capacity to notice triggers.