Bedtime story

Bedtime stories were the stories which were traditionally read by parents to their children at bedtime, before they fell asleep. (TV: Forest of the Dead) Planet Bedtime Stories was a planet where bedtime stories were told. (TV: )

History
In the early 2020s, in order to pass the time, while serving time in prison, the Thirteenth Doctor began telling herself a "classic" bedtime story involving "Mr and Mrs Dursley of 4 Privet Drive". (TV: Revolution of the Daleks )

Undated events
The Eleventh Doctor recalled that when he was eight years old, a thousand years prior, he loved "classic" bedtime stories such as The Three Little Sontarans, The Emperor Dalek's New Clothes and Snow White and the Seven Keys to Doomsday. (TV: Night Terrors)

The Fourteenth Doctor once arrived on Planet Bedtime Stories to tell the bedtime story The Way Back Home. After he concluded, he began to tell another about "someone who went to space and started to help people", involving a blue box that landed in a junkyard, but cut himself off when he realised he didn't have enough time to tell it, but promised to save it for another bedtime story. (TV: )

Behind the scenes
The bedtime story the Thirteenth Doctor was referring to was Harry Potter and the Philosopher's Stone.