non-invasive · EEG · discontinued
Dreem 2
By Dreem
Identity
- Manufacturer
- Dreem
- Model number
- —
- Codename
- —
- Aliases
- Rythm Dreem 2
- Generation
- Dreem 2
- Country of origin
- FR
- Released
- —
- Announced
- —
- Discontinued
- Status
- discontinued
Classification
- Invasiveness
- non-invasive
- Modalities
- EEG, PPG, accelerometry
- Primary modality
- EEG
- Direction
- read
- Categories
- consumer-wellness, consumer-sleep
- Form factor
- headband
- Use cases
- sleep tracking, sleep staging, sleep onset, auditory sleep coaching
- Target users
- general-consumer
Electrodes
- Total channels
- 5
- Recording channels
- 5
- Reference channels
- 1
- Electrode type
- dry-passive
- Material
- —
- 10-20 positions
- Fpz, F7, F8, O1, O2
- Requires gel
- No
- Requires saline
- No
- Prep time
- —
- Reusable
- Yes
- Disposable
- No
Auxiliary sensors
- IMU
- Yes
- IMU axes
- 3
- Accelerometer
- Yes
- Gyroscope
- No
- Magnetometer
- No
- PPG (heart rate)
- Yes
- ECG
- No
- EMG
- No
- EOG
- No
- EDA / GSR
- No
- Temperature
- No
- Respiration
- Yes
- Microphone
- —
- Eye tracking
- No
Signal acquisition
- Sampling rate
- 250 Hz
- ADC resolution
- —
- Notch filters
- 35 Hz
- Onboard artifact rejection
- —
Stimulation
- Capable
- Yes
Connectivity
- Protocols
- bluetooth-le, wifi-2.4ghz
- Bluetooth
- —
- Bluetooth profiles
- —
- Concurrent mode
- —
- Encryption (transit)
- —
- Pairing methods
- —
- Cloud sync
- Yes
- Offline recording
- Yes
Power
- Sources
- rechargeable-li-po
- Battery life (active)
- —
- Charging port
- —
- Charging time
- —
- Battery replaceable
- —
- Notes
- —
Physical
- Weight
- —
- Dimensions
- —
- Materials
- foam, fabric, elastic
- Sizes
- one-size
- Head circumference
- —
- Operating temp
- —
Software & data
- Mobile app
- Yes
- Cloud platform
- Yes
- Offline mode
- Yes
- Subscription required
- —
- Raw data access
- Yes
- Export formats
- edf
- LSL support
- —
- Data ownership
- —
- Apps
- Dreem
SDK & developer access
- Has SDK
- Yes
- Open source
- —
- Languages
- python, matlab
- Web Bluetooth
- —
- Raw sample access
- Yes
- BCI paradigms
- sleep-staging, passive-monitoring
- 3rd-party integrations
- —
- Docs
- —
Capabilities
- Attention / focus
- No
- Meditation / calm
- —
- Neurofeedback
- —
- Meditation coaching
- —
- Sleep tracking
- Yes
Regulatory & clinical
- FDA status
- none
- CE mark
- —
- Certifications
- —
- Prescription required
- No
- Pediatric approved
- —
Pricing & availability
- MSRP
- $499
- Current price
- —
- Subscription
- —
- Warranty
- —
- Return policy (days)
- —
- Where to buy
- —
Editor’s take
In favor
- Published validation against PSG
- Bone-conduction audio cues
- Automated sleep staging
Against
- Discontinued at consumer level
- Subscription required for ongoing use
Sources & provenance
- SLEEP 2020 — Dreem vs. polysomnography
- PMC — Dreem vs. PSG full text
- Live & Work Sleep — Dreem 2 review (discontinuation)
- Beacon Biosignals acquires Dreem (PR Newswire)
Last reviewed