MIT’s new algorithm locks sleep poses using radio signals

Scientists from the Massachusetts Institute of Technology (MIT) have presented a device that records postures during sleep. It will help people with disorders and tell in which position the user gets better sleep.

The MIT research team has developed a device that can record people’s postures while they sleep without having to use cameras or stick sensors to their bodies. This is a BodyCompass wall monitor that analyzes radio signals that bounce off objects in the room into the device. As the researchers explained, BodyCompass can control postures. It can be used mainly for medical purposes.

To distinguish between radio signals bouncing off the body and signals bouncing off random objects in the room, the system focuses on impulses from a person’s chest and abdomen – parts of the body that move during breathing. It then sends these signals to the cloud so that BodyCompass can analyze the user’s position.

The team trained the neural network and tested its accuracy by collecting 200-hour sleep data from 26 subjects who initially had to wear sensors on their chest and abdomen. The researchers noted that after a week of testing, the device correctly indicated the subject’s body position 84% of the time.

In the future, BodyCompass can be combined with other devices such as smart mattresses. When this happens, the device will reduce the incidence of sleep apnea and notify caregivers when patients are moving at risk of injury. The device will also tell in which position users get better sleep.

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Alexandr Ivanov earned his Licentiate Engineer in Systems and Computer Engineering from the Free International University of Moldova. Since 2013, Alexandr has been working as a freelance web programmer.
Function: Web Developer and Editor
Alexandr Ivanov

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