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(A) Comparison showing RPM and movement during light sleep period. (B) Close-up comparison of RPM from radar (XeThru) and PSG during deep sleep period. This figure was originally published in the 2016 whitepaper “XeThru vs. Polysomnography (PSG) Comparative Study,” by Novelda AS and is reproduced here with permission of Novelda AS. PSG = polysomnography, RPM = respiration per minute.
