Your screen thinks it's noon. Even at midnight.
Every night you stare into light your brain reads as daytime. Cortisol stays up, melatonin never starts, and you lie there scrolling instead of sleeping. blockers. cut 99% of it — so your body finally gets the signal.
Your phone emits the same light at 11pm as it does at 11am.
Your brain takes that signal literally. It can't tell a screen from the sun — so after dark it keeps you wired when it should be winding you down.
Daylight → awake
In a natural cycle, blue light peaks during the day. Cortisol is high, you're alert, melatonin stays switched off. Exactly how it should be at noon.
- Cortisol high & falling through the day
- Melatonin suppressed — you feel awake
- Body clock aligned with the sun
Midnight → still "noon"
Screens emit that same daytime blue after dark. Your brain reacts as if it's midday — cortisol stays elevated, melatonin never starts, and sleep refuses to land.
- Cortisol stuck high when it should drop
- Melatonin blocked — wired but tired
- You lie there, still scrolling
The science is simple. Most people just haven't heard it yet.
Here's what blue light does to your body after dark — and why blocking it changes the whole night.
Your brain can't tell the difference
Blue light shows up in sunlight and in every screen you own. After dark your brain gets the noon signal and keeps you switched on. It doesn't know it's 11pm — it just reacts to the light it's given.
Melatonin only starts in the dark
Your body releases melatonin when blue wavelengths drop off. Cut them after sunset and the signal finally lands — melatonin climbs, and sleep stops fighting you.
Cortisol is meant to fall at night
Cortisol should peak in the morning and taper off by evening. Late screens keep it propped up — that tired-but-wired feeling. Block the light and it drops the way it's supposed to.
Deep sleep does the real work
Recovery, metabolism, memory, mood — they all run on deep sleep, and deep sleep needs real melatonin and low cortisol to show up. Fix the input and the rest follows.
The tint is the filter
Most blue light glasses use clear lenses and block under 20% — basically decoration. The amber tint in BLOCKERS ONE hits the exact 380–500nm band that wrecks melatonin. A clear lens can't do that. The colour isn't a look, it's the whole point.
BLOCKERS ONE
What the community says
"Fell asleep faster on night one. My Oura sleep latency actually dropped."
"A week in and the deep sleep blocks on my Whoop got noticeably longer."
"I'm out before my girlfriend finishes scrolling. Worth €19 on its own."
Questions, answered.
Yes, and it's not a new idea. Blue light in the 380–500nm range holds back melatonin and keeps cortisol up. Block it after dark and your sleep hormones get to do their job. BLOCKERS ONE filters 99% of that range. How much you feel depends on your habits, but the mechanism is plain biology.
Roughly 2–3 hours before bed. Put them on after sunset and keep them on for any screen — phone, laptop, TV. You don't have to sit in the dark, you just have to block the wavelengths that mess with melatonin.
Most people stop noticing it after a night or two. The tint is what makes them work — clear lenses barely do anything. Give it a few evenings and you'll clock the sleep before you clock the colour.
Clear blue light glasses are everywhere and block under 20% — not enough to move melatonin. Amber lenses target the 380–500nm range that actually suppresses it. If the lens is clear, it isn't really blocking. The colour is the function.
We dispatch within 5–7 business days. Delivery usually runs 10–18 business days depending where you are. We ship worldwide and send tracking once it's moving.
30 days, no interrogation. If they're not for you, message us and we'll sort it. We'd rather you actually sleep better than just own a pair of glasses.
BLOCKERS ONE are non-prescription with a flat lens, and the frame is wide enough to sit over most prescription glasses. A prescription version may land in a future drop.
Because price shouldn't be the reason you sleep badly. We're new — we'd rather you try them, feel the difference, and tell a friend than squeeze every euro out of launch.
Do you even block, brah?
One product. One purpose. Block the light, protect the sleep — for the price of two coffees.
Get BLOCKERS ONE — €19