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Better sleep starts tonight
What's destroying your sleep
Blue light tricks your brain
Every screen you look at after sunset sends a signal to your brain: "Stay awake, it's daytime." This suppresses melatonin â your natural sleep hormone â and shifts your circadian rhythm later and later. You lie there exhausted but wired â and you blame yourself for not being able to "just relax."
How HEVO fixes it
Block the light, restore your sleep
99% blue light blocking = your body produces melatonin again Unlike clear "blue light" glasses that filter 20-30%, HEVO's amber lenses block the exact wavelengths (400-550nm) that disrupt melatonin. Wear them 1-2 hours before bed and your circadian rhythm resets naturally â no pills, no perfect discipline, just biology.
Fall asleep faster, sleep deeper, wake up like a human
The transformation everyone talks about
Your body finally gets deep, restorative sleep. Morning brain fog disappears. Energy lasts all day. Recovery improves. This isn't subtle â it's the difference between surviving and thriving. Everyone who tries says: "I should've started earlier."
Circadian signaling wavelengths
Light exposure after sunset has a biological cost
Without HEVO, artificial light keeps sending daytime signals after sunset.Your brain stays alert, delaying melatonin and natural relaxation.
With HEVO, the disturbing blue light is blocked and your nervous system shifts into night mode.Your body unwinds and prepares for deeper, more restorative sleep.
Without HEVO
With HEVO
FAQ
Shop all glassesBlue light blocking glasses are designed to filter out high-energy blue wavelengths from screens, which help reduce digital eye strain, fatigue, headaches, and disrupted sleep â caused by digital screens. We have helped many people and professional athletes get more relaxed at night, along with deeper sleep. Not magic. Not hype. Just smart protection for your eyes and sleep.
It depends on which of our lens you are using. During the day (Focus Lens)  â If you work at a screen, blue light glasses can reduce eye strain, blurry vision, and tension headaches.In the evening (Relax & Focus Lens) â Wearing them after sunset helps your body produce melatonin naturally, which is essential for falling asleep. Before bed (Sleep & Relax Lens) â Scrolling in bed? Thatâs the most important time to wear blue light glasses, as screens at night send the wrong signals to your brain.
Blue light itself isnât bad â but itâs all about timing. Natural blue light from the sun is beneficial during the day. It helps keep us awake, alert, and regulates our natural body clock. Artificial blue light from screens â especially in the evening â is the real problem. Blue light after sunset suppresses melatonin by up to 70%, disrupts your circadian rhythm by 3+ hours, makes you 50% less tired and it takes you up to 30 minutes longer to fall asleep.
We offer free shipping on all orders above âŹ70. For order under âŹ70 we charge âŹ9 for shipping.To return a product, contact our customer service at contact@hevoeyewear.com to receive a return label and further instructions. Price of return label is paid by customer (âŹ9).
Night Shift only reduces blue light by about 20-30%, while HEVO lenses block up to 99%. Your phone's Night Shift is a good start, but it doesn't affect your room lighting, TV, laptop, or the dozens of other blue light sources around you. Plus, it still lets through 70-80% of the harmful wavelengths. HEVO works on ALL blue light sources in your environment, not just your phone. That's why customers still see dramatic sleep improvements even when they were already using Night Shift. Think of it this way: Night Shift dims the problem, HEVO solves it.