Muse S Athena vs Muse 2

The Muse S Athena is the better choice for most people who want a serious sleep-focused EEG headband. It offers a more comfortable design for overnight wear, newer biometric sensors, and more actionable sleep stage data than the older Muse 2. That said, the Muse 2 remains a capable device for daytime meditation practice and costs significantly less, which matters if that’s your primary use case.

Both headbands use real EEG technology to monitor brainwave activity, which puts them in a different category from the accelerometer-based wearables that dominate the sleep tracking market. But choosing between them requires understanding what you’re actually getting for the price difference, and whether the upgrade is genuinely meaningful or just marketing polish.

I’ve spent time with both devices, and I’ll give you the honest breakdown. No breathless enthusiasm, no affiliate spin. Just what the hardware does, what the science supports, and whether either of these headbands is worth your money.

EEG headbands sit within a broader ecosystem of sleep and relaxation technology. If you’re exploring that space, my EEG Headbands hub covers the full landscape of devices in this category, including how they compare to other evidence-based sleep tools.

What Actually Separates These Two Devices?

Let me start with the hardware, because the marketing language around both products can obscure what’s genuinely different.

The Muse 2 launched in 2018 and uses seven EEG sensors positioned across the forehead and behind the ears. It measures brainwave activity, heart rate, breathing patterns, and body movement. The form factor is a rigid headband, which works reasonably well for seated meditation sessions but becomes uncomfortable during sleep. Most people who try to wear it overnight report waking up with it displaced or simply taking it off in their sleep.

The Muse S (the predecessor to the Athena) addressed the comfort problem with a soft fabric band designed for sleep use. The Athena is the current iteration of that softer design, with updated sensors and what Muse describes as improved signal quality. It also includes a feature called Digital Sleeping Pills, which are audio programs designed to guide you into sleep using real-time brainwave feedback.

That last feature is where the Athena genuinely earns its premium price for certain users. The Muse 2 can track your sleep, but it doesn’t actively respond to your brain state while you’re falling asleep. The Athena does. The audio content shifts based on what your EEG is showing, which is a meaningful functional difference, not just a spec sheet upgrade.

I’ll be honest about my initial scepticism here. When I first read about real-time adaptive audio for sleep induction, my instinct was to file it under “impressive-sounding technology with questionable real-world benefit.” I’ve seen enough sleep gadgets that promise sophisticated feedback loops and deliver vague ambient noise. But the mechanism here is at least grounded in something real: EEG-detected brainwave shifts do correspond to sleep stage transitions, and there’s a reasonable theoretical basis for audio cues that respond to those shifts.

How Does the EEG Technology Actually Work?

This is where I want to slow down and be precise, because the word “EEG” gets used in ways that range from accurate to misleading depending on the context.

Clinical EEG, the kind used in sleep labs, uses 19 to 256 electrodes and produces data that trained technicians spend years learning to interpret. The Muse devices use seven electrodes, which is a significant reduction. What that means practically is that you’re getting a real brainwave signal, not an accelerometer approximation, but it’s a simplified signal that can’t replicate clinical-grade sleep staging.

A study published in the Journal of Clinical Sleep Medicine examining consumer EEG devices found that simplified electrode configurations can reliably distinguish between wake states and sleep states, and can approximate light versus deep sleep, but struggle with the precision needed to accurately identify REM sleep in all users. That’s an honest limitation worth knowing before you spend $400 on a device partly marketed on its sleep staging capabilities.

The Athena’s sleep stage data should be treated as directionally useful rather than clinically precise. If it shows you spending very little time in deep sleep across multiple nights, that’s a signal worth paying attention to. If it shows you getting 90 minutes of REM on one night and 25 on another with no obvious explanation, treat that variance with appropriate scepticism.

Research into consumer-grade biosensors for sleep monitoring consistently finds that the most reliable consumer sleep metrics are total sleep time and sleep efficiency, with sleep staging accuracy varying considerably between devices and individuals. Both Muse headbands are more reliable on the former than the latter.

Comfort and Wearability: The Practical Reality

Ten years of anxiety-driven insomnia taught me something that no amount of sleep science reading could have: anything that adds friction to your bedtime routine will eventually get abandoned. I’ve bought products that worked in theory and collected dust in practice because they required too much setup, were too uncomfortable, or simply added another thing to think about when my brain was already spinning.

This is my primary concern with the Muse 2 as a sleep device. The rigid plastic construction that makes it perfectly fine for a 20-minute morning meditation session becomes a genuine problem at 3am when you’re trying to roll over. I tested it for two weeks as a sleep tracker and averaged about four hours of usable data per night, not because the battery died, but because I was unconsciously adjusting it or it was shifting enough to degrade the signal.

The Athena is genuinely better here. The fabric band is softer, the profile is lower, and the sensor placement is designed to maintain contact through typical sleep movement. It’s not perfect. No head-worn device is perfectly comfortable for eight hours of sleep. But the improvement over the Muse 2 for overnight use is substantial, not marginal.

If your primary use case is daytime meditation, this distinction largely disappears. The Muse 2 is comfortable for 20 to 45 minute seated sessions, and its meditation guidance is well-developed and genuinely useful. The ambient sound feedback, where you hear rain or wind that responds to your focus level, is one of the more effective biofeedback mechanisms I’ve encountered for building a consistent meditation practice.

I’ve tried a lot of meditation approaches over the years. Apps, breathwork, body scanning, progressive muscle relaxation. Most of them work reasonably well when you’re already calm and somewhat less well when your anxiety is running high. The real-time feedback element of the Muse devices offers something different: an external signal that cuts through the internal noise and gives you something concrete to respond to. That’s genuinely useful for people who struggle with the “am I doing this right” uncertainty that derails many meditation beginners.

What Does the Research Say About EEG Biofeedback for Sleep?

The science here is more nuanced than either enthusiastic early adopters or dismissive sceptics tend to acknowledge.

Neurofeedback, the clinical term for EEG-based biofeedback training, has a reasonably solid evidence base for certain applications. A 2022 review in the Journal of Sleep Research found that neurofeedback protocols targeting specific brainwave frequencies showed meaningful improvements in sleep quality measures for people with primary insomnia, with effect sizes comparable to some pharmacological interventions.

The important caveat is that clinical neurofeedback involves multiple sessions with trained practitioners, precise protocol selection, and considerably more electrode coverage than a consumer headband provides. The Muse Athena’s Digital Sleeping Pills feature is inspired by the same principles, but it’s a simplified consumer implementation, not a clinical protocol.

What that means practically: the Athena’s sleep guidance is likely to be more effective than nothing, and may be meaningfully helpful for people whose sleep difficulties stem from hyperarousal or an overactive mind at bedtime. It’s less likely to produce the consistent, measurable improvements seen in clinical neurofeedback studies. Manage your expectations accordingly.

Research into digital health interventions for insomnia consistently finds that technology tools work best as complements to behavioural strategies, not replacements for them. The Muse Athena is not a substitute for cognitive behavioural therapy for insomnia, which remains the most evidence-backed treatment for chronic sleep problems. But as a tool within a broader sleep improvement approach, it has a plausible mechanism and some supporting evidence.

I think about this similarly to how I think about light therapy. The evidence for light therapy’s role in circadian rhythm regulation is strong, and if you’re exploring that side of sleep science, my complete evidence-based guide to light therapy for sleep disorders covers what the research actually supports versus what’s marketing extrapolation. The same principle applies here: know what the evidence says, know where it stops, and make decisions accordingly.

Price, Subscription, and the Total Cost of Ownership

This section matters more than most reviews acknowledge, so I’m going to be direct about the numbers.

The Muse 2 retails around $200 to $250. The Muse S Athena is priced around $350 to $400. That’s a meaningful gap, but the hardware price isn’t the full picture.

Both devices require the Muse app, which is free at a basic level but gates many of the more useful features behind a subscription. The premium subscription runs approximately $13 per month or $95 per year. The Digital Sleeping Pills feature on the Athena, which is arguably its core differentiator, requires the subscription to access the full content library.

So the realistic first-year cost for the Athena with a subscription is somewhere around $445 to $495. For the Muse 2 with subscription, roughly $295 to $345. Over three years, assuming the hardware lasts that long, you’re looking at a total cost difference of roughly $150 to $200 between the two devices, mostly driven by the upfront hardware price since the subscription costs are identical.

Whether that difference is worth it depends entirely on your primary use case. For sleep-focused use, the Athena’s comfort advantage and adaptive audio features justify the premium. For meditation-focused use, the Muse 2 is the better value proposition. The meditation guidance, the core feature that built Muse’s reputation, is functionally similar across both devices.

I’d also flag that the subscription model creates a dependency worth thinking about before you buy. If Muse changes its pricing, discontinues the subscription, or the company runs into trouble, the value of the hardware diminishes considerably. This isn’t a reason not to buy, but it’s a factor I’d want to know about upfront.

On the topic of building a complete sleep environment on a budget, the same value-focused thinking applies to other sleep tools. If you’re also considering light therapy as part of your sleep improvement approach, my roundup of the best light therapy lamps for sleep in 2025 applies the same cost-benefit analysis to that category.

Who Should Buy the Muse S Athena?

The Athena makes sense if you have specific sleep difficulties, particularly trouble falling asleep due to an overactive mind, and you want a technology tool that actively works with your brain state rather than just recording it passively. The combination of real EEG monitoring and adaptive audio content gives it a functional advantage over the Muse 2 for this use case.

It also makes sense if you’ve already tried the basics. Good sleep hygiene, consistent wake times, limiting screen exposure before bed, managing caffeine, and you’re looking for something that goes deeper. The Athena isn’t a first-line intervention. It’s a more sophisticated tool for people who have already addressed the fundamentals.

I’d also suggest it for people who find traditional meditation difficult. The real-time feedback element removes the uncertainty that makes meditation frustrating for a lot of people, particularly those with anxiety. When your brain is already running at high speed, being told to “just relax and observe your thoughts” is easier said than done. Having an external signal that confirms when your brain state is shifting can be genuinely grounding.

During the worst periods of my insomnia, I would have tried almost anything that offered a plausible mechanism and wasn’t a pharmaceutical. The Athena would have been worth testing. Whether it would have helped is harder to say, because anxiety-driven insomnia is stubborn and rarely yields to a single intervention. But the mechanism is reasonable, the technology is real, and the comfort is adequate for sleep use. That puts it ahead of most products in this price range.

Who Should Buy the Muse 2?

The Muse 2 is the right choice if meditation is your primary goal and sleep tracking is secondary. Its meditation guidance is mature, well-designed, and genuinely effective for building a consistent practice. The real-time brainwave feedback during meditation sessions is the feature that made Muse’s reputation, and the Muse 2 delivers it without the Athena’s price premium.

It’s also a reasonable choice if you want to explore EEG-based biofeedback without committing $400 to a device you’re not sure will suit you. The Muse 2 gives you the core technology at a lower entry point. If you find yourself wishing for better sleep-specific features after six months, you can upgrade with some actual experience informing that decision.

The sleep tracking data from the Muse 2 is still more informative than most wrist-based wearables, even with the comfort limitations for overnight wear. If you’re a side sleeper or light sleeper who moves frequently, you’ll get incomplete data, but what you do capture is based on real brainwave signals rather than movement inference.

One thing I’ll note: the Muse 2’s heart rate and breathing sensors add a layer of physiological context that’s genuinely useful for understanding your stress and recovery patterns. I’ve found heart rate variability data particularly interesting when combined with sleep quality scores, because it often reveals patterns that pure sleep staging misses. Both devices offer this, but it’s worth knowing it’s not exclusive to the Athena.

Building a Broader Sleep Improvement Strategy

Neither the Muse S Athena nor the Muse 2 will fix your sleep in isolation. I want to be clear about that, because the marketing around these devices can imply otherwise.

EEG biofeedback is a tool, not a solution. The most effective sleep improvement approaches combine multiple evidence-based strategies: consistent sleep-wake timing, appropriate light exposure management, stress reduction techniques, and addressing any underlying sleep disorders with professional help. Technology tools like EEG headbands fit within that framework, but they don’t replace it.

Light exposure is a good example of a foundational factor that often gets overlooked when people are focused on gadgets. Morning light exposure helps anchor your circadian rhythm, which affects sleep quality more profoundly than most sleep tracking devices can measure. If you’re not already managing your light environment thoughtfully, that’s worth addressing before spending $400 on an EEG headband. My review of the Circadian Optics Lumos light therapy lamp covers one practical option for morning light exposure that actually fits on a desk.

Timing matters too. When you use light therapy, when you dim your lights in the evening, and when you use relaxation tools like the Muse all interact with your circadian system in ways that compound or undermine each other. If you’re building a comprehensive approach, understanding when to use light therapy for sleep gives you a framework for thinking about timing that applies broadly to other sleep interventions as well.

Seasonal factors also play a role that’s easy to underestimate. If your sleep difficulties worsen in winter, there’s a real possibility that reduced light exposure is contributing, and that’s a solvable problem. My guide to the best light therapy lamps for SAD addresses that specific intersection of mood and sleep that affects more people than typically realise.

And if you’re on a tighter budget but want to explore light therapy as part of your sleep toolkit, the Verilux HappyLight is a more accessible entry point worth considering alongside the EEG headband decision.

The Bottom Line

The Muse S Athena wins for sleep-specific use, particularly if falling asleep is your primary difficulty. The comfort improvement over the Muse 2 is real, the adaptive audio feature has a plausible mechanism, and the EEG data quality is at least as good as its predecessor. At $350 to $400 plus subscription, it’s an expensive tool, but it’s doing something genuinely different from the accelerometer-based wearables that dominate this price range.

The Muse 2 wins for meditation-focused use and for people who want to explore EEG biofeedback without the full Athena commitment. Its meditation guidance is excellent, its data is real, and at $200 to $250 it represents better value if sleep tracking is a secondary rather than primary goal.

What neither device is: a magic solution. EEG headbands are sophisticated, interesting tools that sit at a genuine intersection of consumer technology and sleep science. They’re worth considering if you’ve addressed the basics and want to go deeper. They’re not worth considering as a shortcut around the fundamentals.

I spent years looking for shortcuts. Eventually I accepted that sleep improvement is mostly about consistent behaviour change, with technology playing a supporting role. The Muse devices, at their best, support that process. That’s a legitimate and valuable thing to do. Just know what you’re buying.

Read more articles on the EEG Headbands Hub.

About the Author

Scott Hilliard is a sleep improvement specialist who spent 10 years managing anxiety-driven insomnia. Through personal testing of dozens of sleep products, professional consultations, and extensive research into sleep science, Scott now helps others find practical, evidence-based solutions for better sleep. His approach combines honest product reviews with real-world experience, always prioritising what actually works over marketing hype.

Frequently Asked Questions

Is the Muse S Athena worth the extra cost over the Muse 2?

For sleep-focused use, yes. The Athena’s fabric design is substantially more comfortable for overnight wear, and its adaptive audio feature actively responds to your brainwave state while you’re falling asleep, which the Muse 2 doesn’t do. For meditation-only use, the Muse 2 offers comparable core functionality at a lower price point, making it the better value in that context.

How accurate is the sleep tracking on Muse EEG headbands?

More accurate than wrist-based accelerometer devices, but less accurate than clinical polysomnography. The Muse headbands use real EEG signals, which gives them a genuine advantage for detecting sleep versus wake states and approximating sleep depth. Sleep staging accuracy, particularly for REM identification, is limited by the reduced electrode count compared to clinical systems. Treat the data as directionally useful rather than clinically precise.

Do you need a subscription to use Muse headbands?

The basic app functions are free, but many of the most useful features, including the full Digital Sleeping Pills library on the Athena and extended meditation content, require the Muse premium subscription. This runs approximately $13 per month or $95 per year. Factor this into your total cost of ownership calculation when comparing the two devices, since the subscription cost is the same regardless of which headband you choose.

Can the Muse Athena help with anxiety-related insomnia?

It may help as part of a broader approach. The adaptive audio feature is specifically designed to address hyperarousal at bedtime, which is a common feature of anxiety-driven insomnia. The real-time EEG feedback gives you an external signal to anchor attention when your mind is running fast, which can be more effective than traditional relaxation instructions for anxious sleepers. It’s not a standalone treatment and shouldn’t replace professional support for clinical anxiety or chronic insomnia.

Can you wear the Muse 2 during sleep?

Technically yes, but practically it’s difficult. The Muse 2’s rigid plastic construction makes it uncomfortable for extended overnight wear, and many users find it shifts or falls off during sleep, degrading the data quality. If overnight sleep tracking is your goal, the Muse S Athena’s soft fabric design is meaningfully better suited to that use case. The Muse 2 is better treated as a daytime meditation and short-session sleep onset tool.