Your reels. Your earphones.
Play your music, videos and calls on earphones in shared spaces - the bus, the train, the waiting room. Not everyone boarded for your soundtrack.
It's a great song. It's just not everyone's turn to hear it.
Here's the science
- What happensPlaying music, videos or reels on a loudspeaker or phone speaker in trains, buses and public places
- HowForcing sound on everyone nearby exposes them to environmental noise; WHO's systematic reviews find environmental noise is a top hazard to physical and mental health, including effects on sleep
- SoSustained unwanted noise wears on the health, sleep and calm of everyone within earshot
How it works - the size isn't measured hereEUmeasured abroad - shown for the mechanism, not the Indian number
“The just released WHO Environmental Noise Guidelines for the European Region provide strong evidence that noise is one of the top environmental hazards to both physical and mental health and well-being in the European Region.”
WHO's guidance covers the European Region, shown here for the mechanism; WHO notes the evidence also draws on research from other regions and has wider relevance.
Source: New WHO noise guidelines for Europe released - World Health Organization (WHO Regional Office for Europe)(checked 2026-07-18)
And when we do it
Earphones in, and a shared coach stays a place a tired person can close their eyes for a while.
You couldn't have known. Now you do.