4.8 · 36 reviews
Designed in Norway

Create Night Anywhere.

Pitch black. Even in the brightest room.

60-night trial · Free US shipping · Total blackout · 15,000+ customers
The Problem

Light is the enemy of deep sleep.

Most bedrooms aren't dark enough. Here's why that's costing you sleep every night.

The invisible thief

Light cuts your melatonin in half.

Melatonin is the hormone that makes you sleepy. Even a dim light (a standby LED, a streetlamp through curtains) suppresses it by up to 50%. Less melatonin means longer to fall asleep and shorter deep sleep.

You stopped noticing. Your brain didn’t.

Your room is never fully dark.

Phone screens, standby indicators, hallway light under the door. You’ve stopped noticing them. Your brain hasn’t. Every point of light tells your body to stay alert.

Every environment, every night

Bad sleep follows you everywhere.

Hotels, flights, early mornings, night shifts. Every new environment is another night of disrupted sleep. Without total darkness, your body never fully commits. Wherever you are.

See For Yourself

Your bedroom is not dark.

Toggle each source. Every one is real. Most bedrooms have all five.

0
Total lux
0%
Melatonin suppressed
Streetlight through window
+10 lux · +28% suppression
Alarm clock display
+4 lux · +12% suppression
Phone charger LED
+3 lux · +8% suppression
TV standby indicator
+2 lux · +5% suppression
Hallway light under door
+5 lux · +14% suppression
Complete darkness. Zero suppression. This is what NATT™ creates.
0%
Your bedroom now
Get to 0 lux — Shop NATT™
The Answer

Pitch black. Even in the brightest room.

Built in northern Norway, where the sun doesn’t set for months. Darkness isn’t a setting you adjust. It’s something you have to engineer.

Research shows that light levels as low as 5 lux, the equivalent of a dim bedside lamp, can begin suppressing melatonin in sensitive individuals. Most bedrooms sit well above that. Your body is more sensitive to light than you think.

Most masks leave gaps. NATT™ doesn’t. Once it’s on, your body gets the complete darkness it needs to sleep properly.

Shop NATT™
Engineered

Four layers. One perfect night.

  • No heat build-up through the night.

  • Zero light bleed. Tested to 100% opacity.

  • No eyelid contact. Full REM freedom.

  • Skin-safe backing. Holds through every sleep position.

NATT™ layer diagram
"I've tried every sleep mask on the market. This one is different. Woke up and forgot I was wearing it."

Mira K., Stockholm

Why Hypnord

Sleep like the night was designed for you.

Wake Without Grogginess

Total blackout keeps you in deeper sleep stages. No more 3am half-awake limbo. Wake with intent, not mid-cycle.

Fall Asleep Faster

Complete darkness the moment you close your eyes. Your body stops fighting hidden light and melatonin fires immediately.

Travel Without Disruption

Hotel blackout curtains never fully close. NATT™ turns any room into your bedroom. Packs like a toothbrush.

No More Light Leaks

The contoured shell seals every gap where flat masks fail. No sliver of light from your partner's phone at 2am.

Nothing Touches Your Eyes

Contoured C-cup cavities lift away from your eyelids completely. Blink freely. No pressure, no marks, full REM.

Sleeps in Every Position

Low-profile design works on your back, side, or stomach. The strap sits behind your ears, not on them. No bunching, no slipping.

Reviews

What our customers say.

Bundles

Sleep solved, completely.

Add silence and nasal breathing to your NATT™ and there's nothing left keeping you awake.

FAQ

Questions answered.

  • You have 60 nights to decide. That’s two full months. If you don’t wake more rested, contact us at support@hypnord.com. We’ll offer you a generous Sleep Credit worth more than your purchase price, or a full refund if you prefer. No lengthy forms, no hoops. We offer this because we’ve never had to honour it twice.

  • US orders: 6–13 business days. UK orders: 6–10 business days. All orders ship with tracking. You’ll receive a confirmation email with your tracking number within 24 hours of dispatch.

  • Three things: (1) Contoured foam creates a dark space around your eyes. Flat masks press against your face and disrupt REM. (2) The blackout core is tested to 100% opacity. (3) The strap holds through movement, not just when lying still.

  • Yes. The adjustable strap uses a no-slip tension system that holds through side sleeping and positional changes without tightening during the night. Adjust once before sleep. It stays.

  • The base layer uses skin-gentle materials. No latex, no synthetic dyes, no chemical treatments. If you have a specific skin condition, the 60-night trial covers you.

60-Night Guarantee

60 nights to find your dark.

Sleep with NATT™ for 60 nights. If you don’t wake more rested, send it back. No questions. No fees. No risk.

Try NATT™ Risk-Free
60-Night Sleep Trial Free US Shipping Full Refund If Unsatisfied