Blue light isn't inherently bad — it's a natural part of sunlight and signals to your body that it's daytime. The problem is that we've decoupled it from the sun and now expose ourselves to it at times when our biology expects darkness.
How light regulates your hormones
Placeholder content about the relationship between light exposure, melatonin, and cortisol — and how this cascade affects nearly every other hormone.
What screens are actually doing
Placeholder content about the specific wavelengths emitted by phones, tablets, and computers, and why this matters more than other artificial light sources.
The downstream effects
Placeholder content about how disrupted sleep affects insulin sensitivity, appetite hormones, sex hormones, thyroid function, and immune response.
It's not just about falling asleep
Placeholder content about sleep architecture, REM cycles, and why "getting enough hours" isn't the whole picture.
Practical light hygiene
Placeholder content about blue light glasses, screen settings, timing, and morning light exposure as a counterbalance.