The Listeners: what is the Hum – the mysterious phenomenon that inspired the major new BBC One show? - We separate the fact ...

What would you do if a strange, low sound only you could hear was driving you crazy — and nobody believed you?

Can some of us also hear the disturbing sound that plagues characters in the hit TV show – and where is it coming from?

The BBC series follows English teacher Claire (Rebecca Hall) and her student (Ollie West), who begin to hear a low hum that ...