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⭐⭐⭐⭐⭐ 1337 Reviews

RemLock Sleep Mask

RemLock Sleep Mask

The First Mask That Seals Out Light and Sound — So Sleep Keeps Your Edge

Regular price $64.99
Regular price $64.99 Sale price $85.00
SAVE 23% Sold out

🎯 Output Up, Exhaustion Down

😎 Leave Work With Energy For You

🛋️ Breathable Cotton Outside Light Seal

🔋All-Night Audio Battery Life

Description

  • True nose-bridge seal — closes the exact gap where most "blackout" masks still let light through
  • Built-in audio — easily connect your phone and listen to whatever you want
  • Zero eye pressure, full seal — 3D lightweight cotton seal that don’t press on eyes
  • Made for all types of sleepers — very soft and lightweight cotton padding acts as a pillow for back, stomach, and side sleepers
  • 60 Day Money Back Guarantee

RemLock Sleep Mask

Regular price $64.99
Regular price $64.99 Sale price $85.00
SAVE 23% Sold out
View full details

MEET THE MASK THAT SEALS BOTH LEAKS

Most sleep masks can only block 85% of outside light. And none of them can close both spots where light and sound get in: the gap at your eyelid, and the gap at your ear. 

REM Seal closes both, at once. No charging routine. No Bluetooth ritual.

THE SCIENCE

56% Less Melatonin Even While Your Eyes Are Closed

A peer-reviewed 2012 study found that light delivered directly to closed eyelids suppressed melatonin by up to 56%, with the effect strongest during REM sleep. Your eyelids don't fully block light, and that's what most masks were never built to close.

Your Brain Never Stops Listening

A 2012 study found sudden sounds trigger brain arousal during sleep, even without waking you. Steady sounds, however, mask those spikes before they ever reach you. 

Resources

  • Figueiro, M.G., & Rea, M.S. "Preliminary Evidence That Light Through the Eyelids Can Suppress Melatonin and Phase Shift Dim Light Melatonin Onset." BMC Research Notes, 2012, Vol. 5, p. 221. DOI: 10.1186/1756-0500-5-221 
  • Buxton, O.M., Ellenbogen, J.M., Wang, W., et al. "Sleep Disruption Due to Hospital Noises: A Prospective Evaluation." Annals of Internal Medicine, 2012, Vol. 157, No. 3, pp. 170–179. 
  • Messineo, L., Taranto-Montemurro, L., Sands, S.A., Oliveira Marques, M.D., Azabarzin, A., & Wellman, D.A. "Broadband Sound Administration Improves Sleep Onset Latency in Healthy Subjects in a Model of Transient Insomnia." Frontiers in 

WHY REMLOCK VS. A GENERIC MASK

  Others

Seals Nose Gap

Addresses Sound

App Required

Score to Manage

Science-backed

  • ★★★★★

    From Falling Behind to Leading the Room


    “I was exhausted and hiding it in every meeting. Once I started sleeping through the night, I became sharper, more confident, and trusted with bigger decisions. Three months later, I was promoted to Senior Product Manager.”

    Lauren M., 37 — Senior Product Manager, California

  • ★★★★★

    From “Nothing Works” to Leading Our Biggest Account

    “Melatonin left me foggy, my Oura score made me anxious, and every mask leaked. Once the light was finally sealed out, I stopped waking up depleted. Now I lead our highest-value account.”

    Rachel T., 35 — Management Consultant, New York

  • ★★★★★

    Burnout Fear to Vice President

    “I looked successful but felt like I was running on fumes. Waking up clear gave me the energy to speak up, mentor others, and take ownership again. This quarter, I was promoted to Vice President.”

    Samuel R., 42 — Vice President of Finance, Illinois

  • ★★★★★

    Looking Exhausted to the Obvious Promotion

    “I feared looking tired in front of the people deciding my future. Better sleep made me calmer with clients, faster with decisions, and consistent under pressure. When a director role opened, my performance had already made the case.”

    Jennifer C., 39 — Marketing Director, Massachusetts

  • ★★★★★

    From Sacrificing Sleep to Leading the Team

    “I thought sleeping less would help me get ahead. It only made me slower and easier to overlook. Now I think clearly, handle pressure better, and lead the team my coworkers want to join.”

    Danielle S., 40 — Head of Operations, Texas

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Frequently Raised Concerns

Why does this mask have sound if sound can mess up REM?

You are correct to ask this. REM is especially sensitive to sound. However, it is shown in research that REM is disturbed by sudden noises, and a constant frequency or type of music will typically shield your brain from sudden noises.

Do I need to charge or pair anything before bed?

It is recommended to charge your mask every morning, so it is ready for use at night. This is just so you don't run the risk of the mask dying in the middle of the night.

Pairing your phone to the mask is recommended, but not required.

Will the audio hardware bother me if I sleep on my side?

This was a complaint we saw appear time and time again. Seeing those complaints, we decided to really put effort into padding the areas near the hardware while still keeping it audible.

How is this different from a $13–$40 blackout mask?

Most masks in that range block the room but not the eyelid-level gap, especially at the nose bridge — the point reviewers across the category report light leaking through most. REM Seal is built specifically to close that gap, along with the sound gap most masks don't address at all.

What's your return policy?

60 Day Money Back Guarantee. No questions asked.

Is the science real?

Yes, here are part of the resources we used in the development of this product:

Figueiro, M.G., & Rea, M.S. "Preliminary Evidence That Light Through the Eyelids Can Suppress Melatonin and Phase Shift Dim Light Melatonin Onset." BMC Research Notes, 2012, Vol. 5, p. 221. DOI: 10.1186/1756-0500-5-221 

Buxton, O.M., Ellenbogen, J.M., Wang, W., et al. "Sleep Disruption Due to Hospital Noises: A Prospective Evaluation." Annals of Internal Medicine, 2012, Vol. 157, No. 3, pp. 170–179. 

Messineo, L., Taranto-Montemurro, L., Sands, S.A., Oliveira Marques, M.D., Azabarzin, A., & Wellman, D.A. "Broadband Sound Administration Improves Sleep Onset Latency in Healthy Subjects in a Model of Transient Insomnia." Frontiers in