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Every brain–computer interface on earth

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
10-20 head map
FpzF7F8O1O2

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

Last reviewed