Noise pollution refers to the excessive or harmful levels of noise in the environment that can disrupt the normal acoustic balance. It is typically defined as any sound that is unwanted or disruptive, which can interfere with normal activities such as sleeping, conversation, and work. Common sources of noise pollution include traffic, industrial activities, construction work, and loud music. The World Health Organization (WHO) has identified noise pollution as a significant environmental stressor that can have detrimental effects on human health and well-being, contributing to issues such as hearing loss, stress, and sleep disturbances.