“…Although the need for quiet may not be as great in an orthopedic unit as, say, a coronary care unit, excessive continuous noise levels have been associated with increased patient and staff stress, reduced patient satisfaction, and impaired patient sleep in a variety of acute care settings (Blomkvist, Eriksen, Theorell, Ulrich, & Rasmanis, 2005;Novaes, Aronovich, Ferraz, & Knobel, 1997;Pattison & Robertson, 1996;Yoder et al, 2012). In a study of a medical/surgical inpatient unit, patients with average nighttime noise levels of approximately 50 dB slept considerably less (76 min) than patients experiencing an average noise of 43 dB (Yoder et al, 2012).…”