A Solution to An Insomniac’s Nightmare: Dreem-3

Sleep experts at Dreem have developed a bone conduction audio technology coupled with sophisticated nighttime called Dreem-3. The developers aimed at improving the user's sleep through previous knowledge of sleep patterns and sleep cycles. The goal is to improve and instill audio stimulation that is precise by calculating disturbances that occur in breathing patterns. It would hopefully result in an increase in sleep quality, quantity and depth.

This article will dive into the technology of Dreem-3 and how it affects users.

Map of Each Sensor in the Headband

The headband consists of four sensors (EEG sensor, pulse oximeter, accelerometer, and sonometer) for tracking sleep. The headband's six EEG electrodes make it possible to measure brain activity using four front and two back electrodes. By measuring the electrical activity of billions of neurons in the brain, the EEG system can measure vibrations at different frequencies associated with different stages of sleep. By incorporating this technology into the headband, Dreem can bring professional technology to every home.

In addition, a pulse oximeter allows the headband to measure heart rate using an electronic processor and LED lights. The pulse oximeter uses wavelengths of 660 nm (red light) and infrared (940 nm) because oxygenated haemoglobin absorbs more infrared light and deoxidized haemoglobin absorbs more red light. This technology helps distinguish between oxygenated blood and deoxidized blood. As a result, Dreem enables continuous measurement of blood oxygen saturation without the need for specialized settings.

The Dream-3 headband uses high-frequency 2-axis and 3-axis accelerometers to quantify the rate at which someone is consuming energy. By doing so, the headband can measure behavioral patterns during sleep. This can indicate the amount of resting movement and whether that movement leads to appropriate changes in sleep capacity.

Finally, the band consists of a sonometer that measures bone density, tension, and vibration frequency. Bone conduction technology is the conduction of sound to the inner ear by transmitting a constant sound wave that vibrates the bones of the skull. Therefore, the listener perceives a constant sound without obstructing the ear canal. Hearing aids typically use bone conduction techniques because the electrical signals sent to the electromechanical converter are converted into mechanical vibrations, which have the same effect as hearing. This allowed Dreem to build a bone-conduction audio system that creates a very immersive and intimate experience. By creating an intimate experience, headband users can hear soothing sounds and fall asleep without being heard by others. It further allows users to experience an immersive experience without involving other users.


Dreem-3 has been working to improve people’s sleep by going back to the fundamental sciences behind sleep itself. With the design of a simple headband, Dreem uses sensors that include an EEG, pulse oximeter, accelerometer, and sonometer to help analyze a user’s sleep patterns and find the solutions to correct any irregularities. Dreem-3 can be utilized by a wide range of individuals, and it continues to positively impact many lives.


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A friendly reminder: We've done our research, but you should too! Check our sources against your own and always exercise sound judgment.

https://medium.com/neurotech-davis/dreem-2-headband-fixing-an-insomniacs-night mares-96ab86d79251


Image credit: https://dreem.com/clinicaltrials


About the Author

Aalika Malik

Guest Writer for The Hope Project

Aalika is a psychologist in the making with a passion for working for the betterment of society. She hopes to work towards removing the stigma that surrounds the concept of mental wellness.

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