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.
Measures brain activity, respiration rate, motion, and (in future update) sound
83.5% accuracy in sleep stage detection according to studies (May 2020, SLEEP)
Uses 6 EEG sensors, pulse oximeter, and accelerometer, sonometer
Includes S, M, L size adjusters
Now uses charging dock for charging
Capacitive touch pad control on headband
Lightweight and breathable
Onboard CPU processes sensor data -- no WIFI or Bluetooth signals emitting during sleep
Built-in bone conduction audio helps coach and prepare you for sleep. 3.5 mm headphone jack also available.
Dreem Audio techniques include: breathing exercises, sophrology, neurofeedback and soundscapes.
Smart Alarm wakes you up when Dreem 2 detects your optimal wake state
Dreem Coach app analyzes your sleep trends over time to create a custom sleep program.
6 EEG, 4 in front, 2 in back (brain activity), pulse oximeter (respiration), accelerometer (movement), sonometer (sound)
Charge time (100%)
up to 5 hours
Bluetooth 4.0 Low Energy, Bluetooth Classic, Wifi b/g/n
Hypoallergenic TPU fabric
128 grams (4.5 oz)
S, M, L adjusters included (20 - 24 in head circumference)