The Power of Sunlight for Better Sleep and Energy
Living in New England, I know how tempting it is to hibernate all winter. But I’ve learned that getting outside every single day—even when it’s freezing—makes a huge difference in how I feel.
In today’s fast-paced, technology-driven world, many of us spend the majority of our days indoors, glued to screens and surrounded by artificial lighting. While this modern lifestyle has its conveniences, it often comes at the cost of our health—especially when it comes to our circadian rhythm. Our internal body clock relies on exposure to natural light to stay in sync, affecting everything from sleep quality to mood and overall well-being.
Understanding the Circadian Rhythm
The circadian rhythm is our body’s natural 24-hour cycle that regulates sleep, wakefulness, hormone release, digestion, and other essential functions. This internal clock is primarily influenced by light exposure, particularly sunlight. When our eyes detect natural light in the morning, our brain signals the production of hormones like cortisol to promote wakefulness and alertness. As the day progresses and light fades, melatonin production increases, preparing the body for restful sleep.
Why Natural Light Matters
Many people today, myself included, spend most of their waking hours under artificial lighting, which lacks the full spectrum of light found in natural sunlight. This shift can disrupt our circadian rhythm, leading to sleep disturbances, fatigue, mood swings, and even long-term health issues like metabolic disorders and weakened immunity.
1. Better Sleep Quality
Exposure to natural light, especially in the morning, helps regulate melatonin production, making it easier to fall asleep at night and wake up feeling refreshed. Studies show that people who get sufficient morning sunlight tend to experience deeper, more restorative sleep.
2. Enhanced Mood and Mental Health
Sunlight triggers the release of serotonin, the hormone responsible for boosting mood and promoting feelings of well-being. Lack of sunlight exposure has been linked to seasonal affective disorder (SAD) and increased risk of depression and anxiety.
3. Increased Energy and Productivity
Getting natural light early in the day helps set a healthy rhythm for energy levels, preventing the afternoon slumps and sluggishness that often result from disrupted sleep cycles. This is particularly important for those working indoors or from home.
4. Supports Eye Health
Spending more time outdoors in natural light can help reduce digital eye strain and may even lower the risk of myopia (nearsightedness), which has been on the rise due to prolonged screen time and limited exposure to natural daylight.
5. Boosts Vitamin D Production
While the circadian rhythm is primarily influenced by light exposure, spending time in sunlight also allows the body to synthesize vitamin D, essential for bone health, immune function, and inflammation control.
How to Get More Natural Light Daily
Start Your Day Outside: Spend at least 10–30 minutes outside in the morning, whether by taking a walk, drinking coffee on your porch, or commuting in natural light.
Work Near a Window: If you work indoors, position your workspace near a window to receive indirect natural light throughout the day.
Take Breaks Outside: Step outside for short breaks, whether for a walk or simply to soak in the sunlight.
Limit Artificial Light at Night: Reduce screen exposure in the evening and use warm, dim lighting to help your body wind down for sleep.
Final Thoughts
I’ve found that incorporating natural light into my daily routine has been a game-changer for my sleep, mood, and energy—especially during the long, gray winters here in New England. Simple changes, like stepping outside in the morning for even a few minutes or working near a sunny window, have made such a difference in how I feel.
In a world filled with artificial light and endless screen time, reconnecting with natural rhythms has never felt more important—or more rewarding. I encourage you to make sunlight a daily habit. Trust me, your body and mind will thank you for it!
Stay warm and cozy ~
Kristin
Art: Yulia Nikonova