Audiobook survey: find out which celebrities have most relaxing voices

Sir David Attenborough is known for his documentaries about the animal world. Photo: AFP

Some people have more relaxing voices than others. This is the case of many celebrities like American actress Viola Davis or Irish presenter Graham Norton. So what's behind this intriguing phenomenon?

The Premier Inn hotel chain explored this question by asking 54 people in Britain to listen to 20-minute excerpts from the audio versions of memoirs by celebrities such as Michelle Obama, Elton John and Will Smith.