Sensegrass Blog
Walk with the Sun: Harnessing Solar and Lunar Cycles for a Naturally Healthy Lifestyle
September 4 , 2025
The rising sun has always been a natural signal to begin the day, guiding humans into routine and prompting plants to carry out photosynthesis and nutrient intake. Over time, however, technological progress and agricultural innovations have weakened this alignment. Artificial lighting now allows people to extend work and activities late into the night, disturbing sleep and disrupting the circadian rhythm. This shift not only impacts human health but also confuses plants, which often mistake artificial light for real sunlight and alter their natural cycles. This raises the question of how closely our health is linked to the sun's movements.
The belief: early to bed, early to rise makes man healthy, wealthy and wise
Humans have long organized life around the sun, rising with daylight and resting at night, a practice rooted in pre-electricity times when survival relied on natural light for hunting, gathering, building, and innovating. Observing seasonal and annual cycles, early humans learned the best times to plant, sow, and harvest crops, while lunar cycles guided other activities such as fishing and hunting rituals.
Today, artificial lighting has freed us from these constraints, allowing productivity, social connection, and leisure at night. Yet, this shift raises questions about how alignment with solar and lunar cycles continues to influence health. Beyond regulating circadian rhythms, natural cycles affect sleep, mood, energy, and cognitive function enhancing our well-being.
The belief: early to bed, early to rise makes man healthy, wealthy and wise
Throughout history, many traditions recognized the profound influence of the sun and moon on both humans and plants. The Rigveda honored the sun as the source of life, guiding people to rise with dawn and flowers to open and close with its light. In Ayurveda, daily routines synchronized with sunrise and sunset promoted human health while supporting plant growth. The Bible uses seasons and lunar phases to structure time, rest, and agricultural cycles. Similarly, Chinese medicine links organ functions and plant vitality to the natural rhythms of day and night and to lunar phases. These examples illustrate that long before modern circadian science, cultures around the world intuitively understood that aligning human activity and plant life with celestial cycles was essential for maintaining balance.
Modern Science on How Nature’s Rhythms Shape the Health of Humans and Plants
Curiosity about these questions has inspired studies and experiments across the world, from the mountainous regions of Colorado to the Toba and Qom communities in Argentina. Participants were exposed to routines aligned with natural light and dark cycles, and researchers observed changes in sleep patterns, melatonin levels, stress, anxiety, and depression scores.
Results showed that following the natural light-dark cycle improved sleep quality, reduced anxiety and depression, and helped stabilize metabolism. Plants are similarly influenced by sun and moon cycles. Scientific studies reveal that plants have a 24-hour circadian clock, using photoreceptors to sense day length and night conditions.
Daily activities such as photosynthesis, water use, growth, and reproduction are precisely regulated by these internal clocks and environmental cues. Plants use these cues to align stomatal opening, hormone release and flower opening/closing.
Effective and Lasting Strategies to Sync Daily Routine with Nature’s Light
You don’t need to give up modern life to benefit from nature’s rhythms. Simple, intentional habits can help your body stay in balance. Step outside after waking to let morning sunlight reach your eyes, signaling the start of the day and clearing sleepiness. During daylight, tackle your most focused tasks when natural light is strongest.
In the evening, dim lights and put away bright screens to help your body unwind, and use post-sunset hours for calm activities like reading. For plants, place them where they receive morning light and reduce exposure as the day ends. Rotate pots for even sunlight and avoid artificial lights at night, letting plants experience natural darkness. This alignment promotes healthy plant growth.
An Open Invitation to Reconnect with the Ancient Rhythms of Nature
Aligning with the sun and moon’s natural rhythms can restore balance in life and the environment. Simple habits like morning sunlight, reducing evening artificial light, and timing plant care with natural light improve health, energy, and well-being.
Nature provides a timeless guide, showing that even in a busy modern world, following these cycles benefits humans and plants alike. Observing the sun and moon supports our bodies, encourages healthy plant growth, and promotes a balanced lifestyle.
About the author
Hritika is a highly motivated business analyst with a strong passion for turning complex business challenges into actionable, data-driven solutions. She has a proven ability to translate intricate requirements into clear insights and is skilled at leveraging modern technologies, including machine learning and advanced analytics, to solve real-world problems.
She thrives on the “aha” moments when data uncovers hidden opportunities, enabling meaningful business impact and strategic growth. With a Master’s in Business Analytics at UIUC, Hritika is committed to exploring the full potential of data to craft compelling narratives, guide informed decision-making, and shape smarter and more effective business strategies.
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