
I hope you’re doing well and finding ways to stay cool in our sizzling Texas heat. Today, I want to chat about something that might not be on everyone’s radar but is super important for our mental and physical health – it’s all about our body’s biological clock and how a bit of morning sunshine can do wonders for us.
What’s This Biological Clock Anyway?
First off, let’s talk about what this “biological clock” really is. Imagine your body is like a smartphone and just like your phone has an internal system to keep it running smoothly (think of apps updating overnight), your body has an internal clock. Scientifically this is called the circadian rhythm. This clock helps manage when we feel sleepy, when we wake up, and even when we’re most alert and ready to tackle our day.

Why Should We Care?
So, why does this matter? Our “biological clock” is regulated by light, especially sunlight. This is why we naturally feel sleepier when it gets dark and wake up as the sunlight comes in our room in the mornings. When our rhythm is off, it can make us feel all sorts of out of whack – like feeling super tired during the day, having trouble sleeping at night, or even feeling down or stressed. And let’s be honest, with our busy lives and scorching summers that keep us indoors, it’s easy for our body’s clock to get a little out of sync. These days we spend a lot of time-consuming artificial light, from our kitchen light bulbs to smart phones. Excessive exposure to light when our bodies expect it to be dark can interfere with our biological clock in a variety of ways. A study by Jorge Mendoza connected chronic exposure to light at nighttime to mood alterations, metabolic dysfunction, and poor cognition.
Sunshine to the Rescue!
Here’s where our sunny friend comes in. Getting direct sunlight, especially in the morning, can help reset our biological clock. It’s like hitting the refresh button on your body. Morning light tells our brain it’s time to wake up and start the day. This can improve our mood, give us more energy, and help us sleep better at night. And who doesn’t want that, right?

I know what you’re thinking – “But it’s too hot to go outside!” The trick is to catch those early morning rays when the air is still a bit cooler. Even a short walk, a cup of coffee on the porch, or a quick stretch in the sunlight can make a big difference. It’s not just about getting sunlight; it’s about doing it at the right time to help our body’s clock stay on track.
A Little Goes a Long Way
For our friends and neighbors who are not used to this concept, or maybe haven’t had the chance to learn about it because of busy lives or other priorities, think of it as a simple step towards feeling better. You don’t need to spend hours outside or change your whole routine. Just a little bit of morning sunshine can start to improve how you feel both physically and mentally.
And here’s the cool part – by taking this small step, you’re also creating a moment in your day that’s just for you. It’s a chance to breathe, enjoy a bit of nature, and do something good for your health. Plus, it’s a great excuse to enjoy the beauty of our city, even if it’s just from your window or doorstep.
Let’s Sum It Up
Our biological clock is like the unsung hero of our wellbeing, quietly working in the background to keep us feeling good. And a bit of morning sunlight is like the secret sauce to keeping that clock happy. So, let’s make a small change together. Let’s greet the morning sun, soak in those rays (safely, of course), and give our body and mind a boost.

It’s a simple, free, and powerful way to support our health and happiness. Remember, we’re all in this together. Sharing a smile, a wave, or a friendly “good morning” while we’re out there can also light up someone’s day. Let’s spread some positive energy in our community, one sunny morning at a time.
Stay sunny, stay healthy, and catch you in the morning light!

Brooke Sappe
Brooke Sappe is a third-year medical student at Saint James School of Medicine who is completing clinical rotations in Edinburg and McAllen Texas. She aspires to become an anesthesiologist after graduation.