4.9 | 5,700+ Reviews

NightSeal™ Total Darkness Protocol

✅ Included With Purchase of NightSeal™ 3D Blackout Sleep Mask

GET NIGHTSEAL™ 3D BLACKOUT SLEEP MASK

60-Night Money-Back Guarantee — if it's not for you, refunds are easy.

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NightSeal™ Total Darkness Protocol

NightSeal™ Total Darkness Protocol

Regular price $17.99
Regular price $17.99 Sale price
SAVE Liquid error (snippets/price line 119): Computation results in '-Infinity'% Sold out
  • files/JennaK.png

    Every mask I tried leaked light right at my nose. This one actually seals it, my room finally feels pitch black.

    Sarah M.
  • files/SarahK.png

    I always hated how flat masks pressed on my lashes. The cups don’t touch them at all and I even forget it’s on!

    Jenna K.
  • files/MarcusT.png

    Side sleeper here. It stays put when I roll over, and hotel curtains can’t wake me up at 6am anymore!

    Marcus T.
    verified

    Is NightSeal™ Really Worth $59.99?

    Blackout curtains: $100+ per window. Cheap masks: bought, hated, replaced.

    NightSeal™, worn nightly, costs about 16¢ a night — backed by our 60-Night Total Darkness Guarantee.

    Every order also includes The Total Darkness Protocol™ — our 7-night reset guide ($17.99) — free.

    Try it in your real sleep environment — your bedroom, your next trip, your next nap.
    If it isn’t the darkest, most comfortable sleep you’ve had with a mask, contact us and our 60-Night Money-Back Guarantee has you covered.

    View full details

    100% LIGHT BLOCKING

    ZERO EYE PRESSURE

    SIDE-SLEEPER FRIENDLY

    TRAVEL READY

    60-NIGHT MONEY-BACK GUARANTEE

    100% LIGHT BLOCKING

    ZERO EYE PRESSURE

    SIDE-SLEEPER FRIENDLY

    TRAVEL READY

    60-NIGHT MONEY-BACK GUARANTEE

    100% LIGHT BLOCKING

    ZERO EYE PRESSURE

    SIDE-SLEEPER FRIENDLY

    TRAVEL READY

    60-NIGHT MONEY-BACK GUARANTEE

    100% LIGHT BLOCKING

    ZERO EYE PRESSURE

    SIDE-SLEEPER FRIENDLY

    TRAVEL READY

    60-NIGHT MONEY-BACK GUARANTEE

    100% LIGHT BLOCKING

    ZERO EYE PRESSURE

    SIDE-SLEEPER FRIENDLY

    TRAVEL READY

    60-NIGHT MONEY-BACK GUARANTEE

    100% LIGHT BLOCKING

    ZERO EYE PRESSURE

    SIDE-SLEEPER FRIENDLY

    TRAVEL READY

    60-NIGHT MONEY-BACK GUARANTEE

    100% LIGHT BLOCKING

    ZERO EYE PRESSURE

    SIDE-SLEEPER FRIENDLY

    TRAVEL READY

    60-NIGHT MONEY-BACK GUARANTEE

    100% LIGHT BLOCKING

    ZERO EYE PRESSURE

    SIDE-SLEEPER FRIENDLY

    TRAVEL READY

    60-NIGHT MONEY-BACK GUARANTEE

    • The nose gap is finally gone

      didn't realize how much light was still sneaking in until the first night. no nose sliver, no charger glow. just completely dark.

      Eddie L. — Light sleeper

    • Zero pressure, total darkness

      Flat masks always pushed on my eyes and got hot. This one leaves room to blink and somehow stays comfy all night.

      Lauren S. — Wears it nightly

    • Saved my day sleep

      I work nights and blackout curtains never got my room dark enough. This actually does. Noon in my bedroom finally feels like midnight.

      Jenny R. — Night-shift nurse

      STILL WONDERING?

      Light Sleeper Questions, Answered

      ✅ Is NightSeal™ Worth $59.99?

      Fair question — $59.99 is more than an Amazon mask. That's the point.

      Cheap masks get replaced, not kept: they slip, press on your eyes, and leak at the nose. Curtains run $100+ per window — and stay home when you travel.

      NightSeal™ is engineered once, around the exact failure points. Worn nightly, that's about 16¢ a night — covered by our 60-Night Total Darkness Guarantee.

      You'll also get The Total Darkness Protocol™ free with every order — the 7-night reset guide that turns your first week into a real test.

      Try it in your real sleep environment — your bedroom, your next trip, your next nap. If it isn’t the darkest, most comfortable sleep you’ve had with a mask, contact us and our 60-Night Total Darkness Guarantee has you covered.

      That’s the exact problem it was designed to solve. The contoured nose-bridge seal closes the gap where ordinary masks leak, so light from windows, LEDs, and hallways stays out. Take a moment on first wear to adjust the strap and nose seal to your face shape.

      No. The 3D eye cavities hold the fabric away from your eyelids, leaving room to blink freely — lash extensions included.

      The slim side profile and adjustable strap are built to survive pillow contact and turning over. Tighten just enough to feel secure — no over-cranking needed.

      The mask uses soft, breathable materials, and because the cups hold fabric off your skin, air circulates better than with flat masks that sit directly on your eyes.

      The strap adjusts across a wide range of head sizes, and the contoured shape is designed to conform to different face shapes and nose profiles. If your fit isn’t right, our guarantee has you covered.

      Yes — a gentle hand wash and air dry keeps it fresh. Full care instructions are included with your mask.

      It can work alongside many nasal CPAP setups, but it is not compatible with full-face CPAP masks. If you’re unsure about your setup, reach out before ordering — we’d rather help you first.

      THE TOTAL DARKNESS GUARANTEE

      Tonight, Turn Off the Last Light

      You don’t need new curtains, a new bedroom, or another almost-blackout mask. You need a reliable darkness seal.

      Try it tonight. If your mornings don't feel different, your money back.