The hospitals of the future are going to sound different. At the moment, they are full of beeping and buzzing, footsteps and chit-chat—all noise that’s perceived differently by different patients. Some find the sounds very disruptive, which is understandable considering some hospitals have registered sound at 42+ decibels (the WHO suggests 30 decibels for sleeping, and anywhere over 55 can cause heart disease). Ultimately, a lack of rest means patients recover more slowly. Interestingly, Susan Mazer (president and CEO of Healing HealthCare Systems) says it’s not about creating silence, “We don’t want to “merely mask other sounds, [but] add positive, therapeutic sounds where there are none.” Read more at Quartz.