
The Sun Pillar
Light As Medicine From Conception To Recovery
Provided by the ICPA
I’m going to tell you something that might sound too simple to be true: Your body is designed to heal in the light. Not under fluorescent bulbs. Not scrolling your phone at 2 a.m. while nursing. Not inside four walls, wondering why you feel disconnected, depleted, and like your core will never feel whole again. In the light. Outside. Under the sun. This isn’t wellness theater. This is biology. And it’s one of the most powerful—and most ignored—tools in your postpartum recovery toolkit.
But here’s what most women don’t know: This healing begins long before birth. Your baby’s first experience of light, rhythm, and cellular programming happens in utero—through your belly, through amniotic fluid, through the choices you make about where you spend your days.
Why We Forgot About Light
Somewhere along the way, we started treating postpartum recovery like a checklist. Do your kegels. Wear the wrap. Get cleared at six weeks. Move on. But your body doesn’t work on a timeline. It works on signals. And one of the most critical signals your body needs to heal, regulate, and rebuild? Light.
Your circadian rhythm—the internal clock that governs hormone production, cellular repair, inflammation response, and metabolic function—is controlled by a tiny cluster of neurons in your brain called the suprachiasmatic nucleus (SCN). The SCN is your body’s master clock. It sits just above the optic nerve, and it’s set by one thing: light entering your eyes.
When light hits your retina in the morning, it sends signals to the SCN, which then coordinates every clock in your body—your liver, your gut, your adrenal glands, your ovaries, your immune system. These clocks govern when you sleep, when you wake, when you produce certain hormones, when you repair tissue, when you digest food. When you disrupt that rhythm—by staying inside all day, exposing yourself to artificial light at night, or never seeing sunrise—you disrupt everything downstream.