Manta Sound Sleep Mask Review: Ultra-Thin Bluetooth Audio Meets Complete Blackout
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Quick Picks
Note: the Manta Sound Sleep Mask reviewed here is no longer available on Amazon. A similar audio sleep mask built for side sleepers is the Sleenova SoundMask (about $130).
Sleep masks with built-in audio have become increasingly popular, but most force you to choose between comfort and sound quality. The Manta Sound Sleep Mask attempts to solve this dilemma with ultra-thin Bluetooth speakers designed specifically for side sleepers. After testing dozens of sleep products over my 10-year journey managing anxiety-driven insomnia, I approached this $143 mask with healthy skepticism. Can razor-thin speakers really deliver both comfort and audio quality?
What Makes the Manta Sound Sleep Mask Different
The Manta Sound combines complete blackout technology with integrated Bluetooth audio. Unlike traditional sleep headphones that bulk up around your ears, this mask uses speakers only 5mm thick positioned within a ventilated headband. The C-shaped eye cups sit flat against your temples rather than pressing on your eyes, creating zero-pressure blackout even when sleeping on your side.
The design prioritizes adjustability. Both the eye cups and speakers slide along tracks, letting you customize positioning for your face shape and ear placement. An optional overhead strap helps keep the mask secure throughout the night, particularly useful for restless sleepers.
Shop on Amazon: See the current Sleenova SoundMask on Amazon →
Testing the Blackout Performance
Complete darkness matters more than most people realize. Research published in Sleep found that wearing an eye mask during overnight sleep improved episodic learning and alertness the following day, with benefits positively correlated with time spent in slow-wave sleep. The study demonstrated that even in normal home environments, blocking ambient light can enhance both memory performance and behavioral alertness.
The Manta’s blackout performance is genuinely impressive. I’ve tested cheaper masks that claim 100% light blocking but fail around the nose bridge or temples. The adjustable C-shaped cups conform to facial contours without creating pressure points. When positioned correctly, absolutely no light penetrates, even in broad daylight.
This zero-pressure design solves a problem I’ve encountered with padded sleep masks. When I first started using sleep masks to manage my insomnia, I tried several that pressed directly on my eyelids. The constant pressure was uncomfortable and sometimes left temporary marks on my face. The Manta’s cups create space around your eyes, letting you blink naturally during lighter sleep stages.
Audio Quality and Side Sleeping Comfort
The audio component is where the Manta Sound truly differentiates itself. Most sleep headphones sacrifice comfort for sound quality, or vice versa. These 5mm speakers strike an impressive balance. They won’t replace dedicated headphones for music appreciation, but that’s not their purpose. For sleep-focused audio like podcasts, audiobooks, white noise, or guided meditation, they perform remarkably well.
White noise has shown mixed results in research, but a 2021 study in Sleep Medicine found that white noise significantly improved sleep in participants living in high-noise environments, reducing wake after sleep onset and decreasing sleep latency. For those who benefit from audio masking, having speakers that disappear into a sleep mask solves the discomfort problem entirely.
I’ve always been someone who falls asleep to background noise. In the past, I’ve used apps, white noise machines, and even tried traditional earbuds (which lasted about 20 minutes before becoming unbearable). The Manta’s thin speakers genuinely feel like nothing when lying on your side. You can position them directly over your ears for maximum clarity, or slightly offset if you prefer a more ambient sound.
One practical consideration: at higher volumes (above 70-80%), audio can leak enough for a partner to hear. Keep this in mind if you share a bed. For typical sleep volume levels, the sound stays contained.
Once a mask like this solves the comfort side of bedtime audio, the next question is what to actually play through it. I get the most out of mine with slow audiobooks and sleep stories rather than music or podcasts, which tend to keep my brain engaged. If you don’t already have a library to draw on, a free 30-day Audible trial is a no-cost way to load up on calm narration to test with the mask.
Battery Life and Connectivity
The Manta Sound delivers approximately 20 hours of continuous playback, which translates to multiple nights before recharging. In testing, I typically charged it every 4-5 days with nightly use of 2-3 hours. This extended battery life eliminates the anxiety of wondering if your device will die mid-sleep.
Bluetooth pairing is straightforward. Hold the power button for three seconds, select “Manta Sound” from your device’s Bluetooth menu, and you’re connected. The mask must be within about 3 feet of your device for initial pairing, but maintains connection reliably throughout the night.
One thoughtful design choice: the mask has no audible battery notifications. Many Bluetooth devices emit warning beeps when battery runs low, which can jolt you awake. The Manta silently powers down instead. It also features auto-off after 30 minutes of no audio, helping preserve battery life if you fall asleep before starting your audio.
The onboard controls are minimal but functional. Three buttons on the headband handle power and volume adjustment. You can adjust volume without removing the mask or reaching for your phone, useful when you wake at 3am and realize your audiobook is too loud.
Breathability and Temperature Management
Sleep masks can create a microclimate of warmth around your face, particularly problematic for those who sleep hot. The Manta Sound uses perforated materials and a 3D-knit mesh design that promotes airflow. After a month of testing across different seasons, I never experienced the sweaty-face problem common with cheaper masks.
The ventilated headband allows air to circulate around the speakers, preventing heat buildup from the electronics. Even on warmer nights, the mask remained comfortable throughout the sleep period.
Cleaning and Maintenance
The mask separates into two layers: the outer strap containing speakers and electronics, and the inner strap with attached eye cups. The outer layer cannot be machine washed and should only be wiped with a damp cloth. The inner layer and eye cups are machine washable using the included mesh pouch.
This design is practical but adds a step to the cleaning process. You’ll need to detach the layers, wash the appropriate parts, and reassemble. Not difficult, but more involved than tossing the entire mask in the laundry. Air drying is recommended over machine drying to preserve the materials.
Real-World Performance Over Time
After six weeks of nightly use, several observations emerged. The adjustable components stayed in position once set correctly. The Velcro closures showed no signs of weakening. The speakers maintained consistent audio quality without crackling or cutting out.
The mask occasionally slipped slightly during particularly restless nights. The optional overhead strap largely solved this issue, though it took a few nights to find the right positioning. Some users report the overhead strap is essential, others find it unnecessary. Individual head shape and sleep movement patterns determine which camp you fall into.
One unexpected benefit: the mask’s weight distribution feels secure without being constrictive. I’ve used weighted blankets with success for managing sleep anxiety, appreciating how gentle pressure can promote relaxation. While not heavy enough to qualify as weighted, the Manta’s substantial construction provides a reassuring sense of stability compared to flimsy alternatives.
Who Benefits Most From This Mask
The Manta Sound excels for specific use cases. Side sleepers who want to listen to audio will find the thin speakers genuinely comfortable. Anyone dealing with light pollution in bedrooms or frequent travel will appreciate the complete blackout. People who use audio to manage anxiety or racing thoughts at bedtime gain a solution that doesn’t require traditional headphones.
It’s less ideal for those who need absolute silence to sleep. Even with audio off, you’re still wearing electronics on your head. If you have no use for the audio component, the standard Manta Pro mask offers similar blackout performance without the speakers at lower cost.
The mask works well for managing anxiety-driven sleep issues when combined with proper techniques. During my worst period of insomnia, I learned that acceptance rather than resistance is crucial for managing sleep anxiety. Getting upset about not sleeping is like getting upset that it’s raining outside – pointless. Having consistent bedtime cues like putting on a sleep mask while listening to calming audio can signal your brain it’s time to sleep, making it easier to let go of the day’s worries.
Comparing to Alternatives
Several competitors occupy this space. The Therabody SmartGoggles offers vibration and massage features alongside audio. For those interested in additional sensory features beyond audio, it’s worth comparing the two approaches. The Manta focuses entirely on perfecting audio-integrated blackout, while Therabody adds wellness-oriented features at a similar price point.
Budget-conscious shoppers might consider standard Bluetooth sleep headphones or basic sleep masks separately. This approach costs less but sacrifices the integrated design that makes the Manta work. Sleeping with separate components means dealing with multiple devices, charging cables, and comfort compromises.
Understanding how smart sleep masks work helps evaluate whether the technology justifies the investment. The core benefit isn’t the technology itself, but how effectively it removes barriers to good sleep. If audio helps you sleep but traditional headphones don’t work, and light disrupts your rest, the Manta solves both problems simultaneously.
The $143 Question: Is It Worth It?
This is expensive for a sleep mask. You can buy quality blackout masks for under $30. Bluetooth sleep headphones start around $50. The Manta costs more than buying both separately.
The value proposition hinges on integration and refinement. The 5mm speaker thickness enables side sleeping comfort impossible with traditional sleep headphones. The adjustable eye cups provide customizable blackout that generic masks can’t match. The thoughtful details – no battery beeps, extended battery life, machine-washable components – demonstrate serious product development.
For someone who genuinely uses both features nightly, the premium becomes easier to justify. If you only occasionally use sleep masks or rarely listen to audio in bed, spending $143 seems excessive. But for travelers dealing with inconsistent hotel room darkness, shift workers sleeping during daylight hours, or anyone managing sleep issues that benefit from both audio and darkness, the Manta delivers meaningful value.
Practical Limitations
No product is perfect. The Manta Sound’s bulk makes it more noticeable than basic sleep masks. Some users report difficulty breathing when side sleeping with the mask positioned too low on the face. Proper positioning requires initial adjustment time. The separate cleaning requirements for different components add maintenance complexity.
The mask works best for people with average head sizes. Very small or very large heads may struggle with optimal fit despite the adjustability. The speakers can’t match dedicated headphones for audio quality – acceptable for spoken word content and ambient sounds, less satisfying for music appreciation.
Bluetooth connectivity occasionally requires re-pairing, particularly after software updates on connected devices. Not a frequent issue, but worth noting for those who value plug-and-play simplicity.
Final Assessment
The Manta Sound Sleep Mask succeeds at its core mission: combining complete blackout with comfortable audio for side sleepers. The 5mm speakers genuinely feel like nothing when lying on your side, solving the primary complaint about sleep headphones. The adjustable blackout performs as advertised, blocking light completely when properly positioned.
The $143 price creates a high bar for value delivery. For users who will use both the blackout and audio features regularly, the mask justifies its cost through superior comfort and thoughtful design details. For occasional use or single-feature needs, cheaper alternatives make more sense.
After 10 years of testing sleep products, I’ve learned that expensive doesn’t always mean effective. The Manta Sound is expensive, but it’s also genuinely effective at what it does. Whether that effectiveness justifies the premium depends entirely on how much you value comfortable audio-integrated blackout for sleep.
Read more articles on the Smart Sleep Masks Hub.
About the Author
Scott Hilliard is the founder of liveworksleep and has managed anxiety-driven insomnia for over a decade. His hands-on testing experience with sleep products, combined with insights from medical consultations and therapy, provides readers with honest, evidence-based perspectives on what actually works for better sleep.
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Medical Disclaimer
The information provided in this article is for educational purposes only and is not intended as a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition or sleep disorder.
