MIT's wireless device can track sleep using radio frequencies

BodyCompass, a wireless device, can monitor sleep postures using reflected radio signals from another small device mounted on a bedroom wall. The device can measure sleep and identify postures without attaching cameras or sensors to the body, Massachusetts Institute of Technology said in a statement. The body monitoring device could help patients to assess their risk, and when combined with an intervention system, could save patients from sudden unexpected death due to epilepsy, MIT said. It could also aid in treating patients vulnerable to bedsores and sleep apnea, since both conditions can be alleviated by changes in sleeping posture.