Tanzania, June 22 -- Dar es Salaam. Dar es Salaam's night-time soundscape is increasingly becoming a public health concern, as rising noise from bars, concerts and entertainment venues disrupts sleep, affects productivity and exposes residents to long-term risks such as stress, hypertension and hearing loss.

Across Kinondoni, Ilala, Temeke, Ubungo and Kigamboni districts, residents say loud music has become a regular feature of night life, particularly over weekends and during public entertainment events.

What was once confined to selected entertainment zones has gradually spread into residential neighbourhoods, placing homes and leisure venues in close proximity.

For many residents, the city's nightlife is no longer a distant activity...