Dreem
TECH SPECS 
DescriptionDreem monitors brain activity directly through (EEG). The headband triggers sound through bone-conduction technology that is synchronized with your brain waves to improve the quality of your sleep.
Batteries1200mAh - Up to 12 hours use
ConnectivityBluetooth 4.0 Low Energy, WiFi
DisplayNo. Audio: Bone Conductor system 3.5mm Audio Jack. Interface: Touch area Sound feedback RGB LED indicator
OtherSensorts: EEG sensors x 6, Accelerometer, Pulse Oximeter
METRICS 
Sleep durationYes
Sleep stagesLight sleep, deep sleep and REM cycles.
Sleep interruptionsYes
Time to fall asleepYes
Heart rateYes
Room environmentNo
Smart alarmYes
Other- Live EEG.
- Beyond improving sleep, every morning users will be able to see their sleep patterns via the accompanying smartphone app and a sleep score that they can track over time.
LINKS 
Affiliate link*Dreem
Read moreArticle
*Disclosure: We are a professional review site that receives a small commission from sales of certain items, but the price is the same for you. See our affiliate disclosure page for more details.
**All tech specs and images on this page come from manufacturers. These may change over time as manufacturers sometimes update their devices. While we cannot guarantee absolute accuracy of information on this page, we promise to review this content regularly and do our best to bring you the most up-to-date information. To be absolutely sure of tech specs of a particular device, we recommend checking the manufacturer’s website.