When Dr. Joseph Schlesinger's mother was in the hospital, it was hard to speak with her by phone above the beeps and blips of medical devices. It was even harder for her to get some shut-eye.
원문출처 : http://www.cnn.com/2017/07/10/health/hospital-sleep-noisy-alarms-study/index.html
원문출처 : http://www.cnn.com/2017/07/10/health/hospital-sleep-noisy-alarms-study/index.html