Dreem 2 is the second version of the Dreem sleep headband. It is designed to track sleep through sensors (including EEGs) and improve sleep through the use of audio features and the included sleep coaching app.
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Audio | ![]() |
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Sensors | 6 EEG sensors 1 pulse oximeter 1 accelerometer |
6 EEG sensors 1 pulse oximeter 1 accelerometer 1 sonometer |
Audio system | Bone conduction system 3,5mm audio jack |
Bone conduction system 3,5mm audio jack |
Deep sleep stimulations | Yes | No |
Smart alarm | Yes | Yes |
Falling asleep feature | Yes | Yes |
Weight | 120g | 130g |
Dimension | One size fits all | 3 sizes (S,M,L) |
Battery | 1200mAH (Up to 12h autonomy) | 1200mAH (Up to 12h autonomy) |
Charging | Micro-USB | Charging dock |
Fabric | Hypoallergenic TPU Soft fabric |
Hypoallergenic TPU Soft fabric Foam |
Nathan Cheng is the founder of Biohack Stack -- an online community dedicated to exploring ways to hack human biology. Follow my radical longevity journey on Twitter @realnathancheng
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