Muse S Athena
Reorganize your brainwaves.
Reboot your sleep
Deep Sleep Boost uses real-time EEG to detect deep sleep, then delivers precisely timed sound cues to reinforce slow-wave rhythm when your brain is ready.
Most sleep tech tracks deep sleep.
Athena trains its rhythm.
What it is
EEG-guided deep sleep stimulation, built for home
When your brain enters deep sleep, Deep Sleep Boost helps slow waves stay organized and continuous for your best rest ever.
How it works
Listen. Time. Reinforce.
- Listen with EEG
Muse S Athena reads your brain activity and detects slow-wave sleep as it happens. - Time cues to slow waves
When your brain is in the right rhythm, Athena delivers quiet pink-noise pulses aligned to slow-wave activity. - Protect the night
If your sleep shows signs of disturbance, cues pause. The goal is support that feels invisible.
Why it matters
You can hit “enough” deep sleep and still wake up foggy. What often separates a good night from a mediocre one is continuity: slow-wave activity that stays stable instead of constantly restarting.
Simple analogy: A steady stream cleans better than a drip. Your brain restores best when slow waves remain rhythmic long enough to do their work.
Benefits
Less fragmentation. More deep sleep rhythm.
Deep Sleep Boost is designed to support the kind of deep sleep that feels different.
Designed to help you:
- Sustain deep sleep patterns longer
- Reduce stop-start slow-wave activity
- Improve the quality of deep sleep, not just the total time
Beta results
We measured improvements in deep sleep qualityIn beta testing, Deep Sleep Boost improved the pattern of slow-wave sleep—not just the minutes.
24% longer slow-wave trains* Meaning users stayed in continuous deep sleep rhythms for longer stretches
42% more slow-wave trains* per minuteIndicating more frequent opportunities for sustained deep sleep
76% more slow waves occurring within organized train*Reflecting deeper, less fragmented slow-wave activity
*Slow-wave trainsThese trains represent sustained periods where the brain remains in a stable slow-wave state
24% longer slow-wave trains* Meaning users stayed in continuous deep sleep rhythms for longer stretches
42% more slow-wave trains* per minuteIndicating more frequent opportunities for sustained deep sleep
76% more slow waves occurring within organized train*Reflecting deeper, less fragmented slow-wave activity
*Slow-wave trainsThese trains represent sustained periods where the brain remains in a stable slow-wave state
What that means
More of your slow waves happen in an organized, continuous rhythm so you get less fragmented deep sleep.
EEG changes the game
Athena vs typical sleep trackers
Muse S Athena + Deep Sleep Boost
Most wearables estimate sleep stages from movement + heart signals. That’s useful but it can’t time deep sleep stimulation.
- Measures brain activity directly (EEG) to detect slow-wave sleep in real time
- Times sound cues to your slow waves (not passive audio)
- Trains & improves deep sleep patterns, not just reports them
Typical sleep trackers
- Estimate sleep stages from indirect signals
- Can’t reliably time stimulation to slow-wave rhythms
- Focus on tracking + trends, not EEG-guided sleep training
How to use it
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Wear Muse S Athena to bed
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Enable Deep Sleep Boost in the Muse app
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Athena handles detection and timing automatically
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Track your metrics & when Deep Sleep Boost activated during the night
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Reinforce the rhythm. Wake up restored.
Muse S Athena is EEG-powered sleep training, built to support deeper recovery.
Comparison
How we developed Deep Sleep Stimulation
Muse co-founder Chris, CMO Nadia and senior research scientist Maurice explains the science behind Deep Sleep Stimulation - the technology and the challenges.
Frequently asked questions
