Discover Where It All Starts
Every cell in your body follows a precise 24-hour cycle known as the circadian rhythm. Morning light triggers the release of cortisol, helping you feel awake and alert. As daylight fades, darkness activates melatonin production, preparing your body for deep restorative sleep. When this natural light rhythm stays in balance your performance, mood and overall health reach their optimal state.
Modern lifestyles expose us to high levels of artificial blue light from screens, LED lighting and indoor environments. Unlike natural sunlight this concentrated blue light spectrum suppresses melatonin by up to 80 percent sending confusing signals to your brain that it is still daytime even at night. This disruption leads to difficulty falling asleep, reduced recovery and long term hormonal imbalance. Over time the lack of proper melatonin regulation can increase stress levels and impair cognitive performance. Protecting your eyes from excessive blue light especially after sunset is key to restoring your body’s natural nighttime rhythm.
Purewell Day Lenses filter up to 95% of blue light between 400–455 nm, reducing eye strain, enhancing concentration, and keeping your vision sharp during long screen use. When night falls, the Night Lenses take over, blocking 100% of blue and green light from 400–500 nm to support natural melatonin production and prepare your body for deep, restorative sleep. By aligning your light exposure with your body’s natural rhythm, you restore harmony between focus, energy, and recovery. You feel more awake during the day, sleep more deeply at night, and maintain lasting clarity and well-being exactly as nature intended.
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