The light we’re exposed to in the evening can influence our natural sleep-wake cycle - in our modern world, this is typically in a negative way.

As darkness falls, the body begins producing melatonin - a hormone that helps prepare us for sleep. Bright artificial light from phones, computers, televisions and LED lighting can disrupt this natural process, making it more difficult to relax and fall asleep.

Extended screen use may also contribute to digital eye strain, including tired eyes, headaches, blurred vision and difficulty focusing.

Zen Optics Blue Light Blocking Glasses are designed to reduce exposure to selected wavelengths of artificial blue light emitted by screens and modern lighting. They offer a simple way to make your evening environment feel calmer and support a more sleep-friendly nighttime routine.