How Infrared Sunlight Helped Me Finally Fix My Wrecked Post-Workout Recovery

Here’s a stat that honestly blew my mind: nearly 50% of sunlight energy reaches us as infrared radiation. We can’t even see it, but our bodies absolutely feel it. I stumbled onto this fact a couple years ago when my muscle recovery was, frankly, a disaster — and it changed everything about how I approach healing after a tough workout!

I’d been dealing with this nagging soreness in my quads and lower back that just wouldn’t quit. Foam rolling helped a little. Epsom salt baths were nice but temporary. Then a friend — a physical therapist, actually — mentioned that natural infrared light from the sun could be doing more for my tissue repair than I realized. I was skeptical at first, but curiosity got the better of me.

What Exactly Is Infrared Sunlight and Why Should You Care?

So infrared light is basically the invisible part of the sun’s spectrum that sits just beyond red visible light. It penetrates deeper into your skin than regular visible light — we’re talking several centimeters into muscle tissue, joints, and even bone. That deep penetration is what makes it so interesting for recovery.

According to research published in the Journal of Photochemistry and Photobiology, infrared wavelengths stimulate something called cytochrome c oxidase in your mitochondria. In plain English? It helps your cells produce energy more efficiently. When your cells have more energy, they repair damaged muscle fibers faster — which is exactly what you want after crushing leg day.

The thing most people don’t realize is that you’re already getting some of this benefit just by being outside. Morning and late afternoon sun is especially rich in near-infrared wavelengths. I started paying attention to this, and it was kind of a game changer.

My Accidental Experiment With Morning Sun Exposure

I’ll be honest, my “experiment” wasn’t exactly scientific. I just started sitting outside for 15-20 minutes each morning with my arms and legs exposed to sunlight. No sunscreen for that short window — just soaking it in. I was primarily doing it for the vitamin D, but the recovery benefits snuck up on me.

After about two weeks, I noticed my delayed onset muscle soreness (DOMS) wasn’t hitting as hard. Like, I’d do heavy deadlifts on Monday and by Wednesday I was moving normally again instead of walking like a robot. Was it placebo? Maybe partially. But the consistency of the improvement was hard to ignore.

One mistake I made early on was trying to get my sun exposure at noon thinking “more intensity equals better results.” Nope. Midday sun has a higher UV-to-infrared ratio, which means more burn risk and less of the deep-penetrating wavelengths you actually want. Morning light between 7-9 AM is the sweet spot — at least that’s been my experience and it aligns with what Dr. Andrew Huberman has discussed about light exposure protocols.

Combining Natural Infrared With Other Recovery Strategies

Now, I’m not saying infrared sunlight alone is gonna solve all your recovery problems. That would be ridiculous. But stacking it with other modalities is where things get really interesting.

Here’s what my current routine looks like:

• Morning sun exposure for 15-20 minutes, ideally with skin exposed on sore muscle groups
• Post-workout cold water exposure (even just cold showers work) to reduce acute inflammation
• Adequate protein intake within a couple hours of training — around 30-40 grams
• Quality sleep, which infrared morning light actually helps regulate through your circadian rhythm

The sleep piece honestly surprised me the most. Getting morning infrared and visible light exposure helped me fall asleep faster at night, and deep sleep is when most muscle protein synthesis happens. So it’s this beautiful indirect benefit that people totally overlook.

A Quick Word on Infrared Devices vs. Actual Sunlight

Red light therapy panels and infrared saunas have gotten super popular, and they absolutely work — there’s solid science behind photobiomodulation therapy for muscle recovery. But they can also cost hundreds or thousands of dollars. Free sunlight contains those same beneficial wavelengths. Just saying.

If you live somewhere cloudy or far north, then yeah, a device makes total sense. But don’t sleep on what’s literally falling from the sky every single morning.

Your Muscles Are Waiting for You to Step Outside

Look, infrared sunlight for muscle recovery isn’t some magic cure-all, and everyone’s body responds differently. Start slow, protect yourself from excessive UV exposure, and listen to your body. But if you’re struggling with chronic soreness and you haven’t tried consistent morning sun exposure yet, it’s worth a shot — it costs nothing and takes fifteen minutes.

If you found this helpful, come explore more recovery tips and morning routine strategies over at AM Ritualist. We’re all about making those first hours of your day work harder for you!