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Ditch Your Sunglasses: Unveiling the Science Behind Sunlight for Health Benefits

Updated: Aug 25, 2023


Sunrise beach scene with two dogs running along the water's edge

I'm the ultimate sunrise enthusiast, not because I'm a natural early riser, but because it's the perfect time to stealthily whisk my dogs to the beach for our morning stroll. With sunglasses always at the ready, I'd venture out while the world was still dimly lit, thinking I was protecting my eyes from the sun's early rays. As it turns out, my approach was all out of sync. It's time to flip the script. With science as our guide, we’ll reveal that soaking in the sunrise during those first waking hours is a priceless gift for your mind and body... and guess what? It's entirely on the house. So let's dive into this captivating realm where circadian rhythms work their magic and I spill the beans on why letting the sun's light in is the best morning boost you never knew you needed.


Circadian Rhythms: Your Inner Clockwork

Navigating Natural Time: Imagine your body as a clock, attuned to the rhythms of day and night. This internal clock, known as circadian rhythms, orchestrates various bodily functions like sleep patterns and hormone release. Sunlight, specifically the morning and evening rays, plays a pivotal role in aligning this inner clock with the world around us, contributing to our overall well-being.

Sunlight's Dual Role: Energize and Relax

Morning Awakening: Imagine the sun as your morning alarm clock. Its radiant beams not only awaken your senses but also energize you for the day ahead. This surge of natural light is more than just illumination; it's the spark that ignites a dopamine release and activates your readiness to embrace the day's challenges and can positively impact your mood, focus, metabolism, and immune system. Research shows taking in at least 5-10 minutes of sunlight in the morning, longer if it’s overcast, is optimal to receive these positive health benefits.

Evening Serenity: As the sun sets, it offers a different gift – a warm, golden glow. This gentle evening light of yellow and orange prompts your body to produce melatonin, the hormone that prepares you for restful sleep. If you miss getting out in the morning, this late afternoon light can also help your body set its circadian rhythm to ensure you get to bed on time and wake up refreshed and ready for new adventures.

Night's Dark Side: Light's Impact on Sleep

Averting the Dark: While sunlight benefits your days, excessive light at night can disrupt your sleep patterns. The artificial glow from screens and bright indoor lights can confuse your circadian rhythms, potentially leading to sleep issues and even depression. It's a reminder that nature's light should be embraced during the day, and dimness should reign at night.

Mindful Sunlight Exposure: A Balanced Approach

Embrace Sunlight's Nurturing Touch: While sunglasses are vital for shielding your eyes from intense sunlight, consider reserving them for glaring conditions. During the morning and evening, allowing your eyes to absorb the sun's gentle touch can help synchronize your internal clock, or circadian rhythm, with the natural rhythm of the world.

In Conclusion: Embrace the Sun's Benefits

As we venture into the science of sunlit wellness, remember – shedding those sunglasses isn't just about seeing better; it's about feeling better. It's about embracing the sun's role in our daily rhythm, harmonizing with its cues, and enriching our vitality. So, the next time the sun beckons, consider leaving those shades behind and basking in the glow of natural light to optimize your health.

To learn more on the benefits of sunlight check out one of my favorite podcasters, Andrew Huberman, in episode #68 on using light for health.

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