What does your brain do at night... Interested to know?
By placing this high-tech sensor on your chin, we are able to read the movements caused by the brain's control centers at night, those are not even visible to the eye. These movements are the result of contraction of the muscles that provide stability to the upper respiratory tract. They are a reliable indicator of how the brain regulates breathing and sleep.
The activity observed is produced by deep and primitive functioning of human brain. It is directly driven by the brain stem.
Through the latest hardware and software technologies, Sunrise maximizes the potential of this signal. This powerful association between the signal and the technology has been clinically proven on 400 people. The results present unique performances in the detection of obstructive sleep apnea (OSA).
Medical scientists have shown that mandibular movements are accurate reporters to measure how the brain regulates breathing during sleep. At night, your brain recruits throat muscles allowing normal breathing through the upper airways. These muscles activations induce movements of the mandible - the mobile bone on which these muscles are anchored. Sunrise – a small medical device using elaborated artificial intelligence technologies – captures these movements in all axes & translates them into precious information about your sleep.
When you fall asleep, your brain continues to ensure oxygen supply to your body, essential for life. Brain supervision of breathing is vital, particularly at the pharynx level - this unstable funnel, through which the air must continue to transit throughout the night. Homo Sapiens’ pharynx anatomy is unstable, composed of numerous muscles and soft tissue, with no rigid or bony support. This anatomy allows to adapt the pharynx shape for different functions such as swallowing or speech. By contrast, our human ancestors had a very different airway anatomy with the back throat directly connected to the larynx. However, this Homo Sapiens feature presents fragilities during sleep, when the muscular tonus decreases. At night, your pharynx is subject to caliber changes (causing snoring for example) and sometimes actually prevents the oxygen passage, - an event called "apnea". Fortunately, nature does things well and your brain is informed of these breathing disturbances. Changes in O2/CO2 levels are detected by the central and peripheral chemoreceptors. Changes in upper airway pressure are detected by receptors located in the upper airways. To correct breathing disturbances, the brain sends commands to stiffen the pharyngeal muscles, allowing the air to flow again. (These commands are sent automatically by the autonomic nervous system, like a thermostat would regulate the temperature inside your home). Naturally, these muscles recruitments also trigger movements. This is these movements, when carefully captured and analyzed, that provide a faithful image of what your brain tries to do at night to keep your respiration safe.
Observing mandibular movements offers a direct look at how the brain reacts to respiratory events and regulates breathing during sleep - like listening "live" to the partition your brain plays at night to preserve the quality of your sleep. Researchers have characterized the different mandibular movements, induced by specific brain commands, indicating normal sleep, respiratory event or arousal from sleep.
Sunrise has been developed based on studies on more than 500 patients and thousands of hours of sleep recording and with the help of our expertise in artificial intelligence. Sunrise gets an in-depth understanding of your sleep, with unrivalled accuracy for home-based testing.
brings sleep science to the
tip of your chin.