Ключевые слова: brainwave, cardiology, clinical, clinical setting, comfortable bed, data recording, device, diagnostic, digital display, ecg, electrocardiogram, electrodes, health, health care professional, healthcare, healthcare technology, hospital, interface, medical equipment, medical procedure, medical test, monitoring system, neurology, nighttime, patient, physiology, polysomnography, psg, pulmonology, recording, red bed, restful sleep, sensors, sleep analysis, sleep apnea, sleep cycle, sleep deprivation, sleep disorder, sleep lab, sleep medicine, sleep monitoring, sleep pattern, sleep quality, sleep research, sleep staging, sleep study, technology, treatment, wireless sensors,