AAP upper limit of NICU noise levels be no greater than which value?

AAP upper limit of NICU noise levels be no greater than which value?

• A. 30 decibels
• B. 60 decibels
• C. 70 decibels
• D. 45 decibels

Answer: (D)

Keeping noise levels in the NICU low protects fragile newborns from hearing damage and supports stable sleep and autonomic function. Excessive noise acts as a stressor, increasing heart rate, oxygen desaturation, respiratory effort, and arousal, which can hinder growth and development. The American Academy of Pediatrics specifies that ambient noise at the infant’s bedside should not exceed 45 decibels. This level is low enough to reduce disruption and stress, yet achievable in a busy unit with proper practices. Levels around 60 or 70 decibels would be more disruptive to sleep and stability, while 30 decibels is unrealistically quiet for routine care. Therefore, the recommended upper limit is 45 decibels.

Keeping noise levels in the NICU low protects fragile newborns from hearing damage and supports stable sleep and autonomic function. Excessive noise acts as a stressor, increasing heart rate, oxygen desaturation, respiratory effort, and arousal, which can hinder growth and development. The American Academy of Pediatrics specifies that ambient noise at the infant’s bedside should not exceed 45 decibels. This level is low enough to reduce disruption and stress, yet achievable in a busy unit with proper practices. Levels around 60 or 70 decibels would be more disruptive to sleep and stability, while 30 decibels is unrealistically quiet for routine care. Therefore, the recommended upper limit is 45 decibels.