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Dreem 2

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description Dreem 2 Overview

Dreem 2 is a wearable device that uses EEG sensors to monitor brainwave activity during sleep, providing detailed insights into sleep stages and generating personalized audio cues designed to optimize restorative rest throughout the night.

help Dreem 2 FAQ

What does the Dreem 2 measure during sleep?

Dreem 2 uses five dry EEG sensors and a three-dimensional accelerometer to record brain activity, movement, and head position. Its software uses those signals to estimate sleep stages and produce an overnight sleep report. [Source](https://academic.oup.com/sleep/article/46/1/zsac152/6620808)

Did Dreem 2 require a smartphone app?

Yes, Dreem 2 was designed as a wearable headband paired with a mobile application for setup, recording, and sleep feedback. The device was registered in 2019 as a wireless sleep-monitoring system consisting of a headband and mobile app. [Source](https://accessgudid.nlm.nih.gov/devices/00850010086019)

How did Dreem 2 use audio during sleep?

The headband could deliver personalized acoustic cues during sleep, including stimulation intended to interact with slow-wave or deep sleep. Research studies have used Dreem 2 to score sleep stages automatically and study acoustic stimulation. [Source](https://pmc.ncbi.nlm.nih.gov/articles/PMC10692948/)

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