Nick Littlehales, sports sleep coach and chair of the British Sleep Council, talks with novelist A. L. Kennedy about sleep and insomnia. The event is hosted by Rana Mitter.

A pre-Prom audience at Imperial College in London listens in as Shaidha Bari talks to Assyriologist Irving Finkel about cuneiform; how the script survived, what it tells us about life in the cities of Ur, Ninevah and Babylon and the way some of the most memorable stories ever told travelled from culture to culture. On the fare demonic puns, a four thousand year old joke, why the Ark might have been round and just how painful life was for Sumerian school chidren.

Kevin LeGendre and Claire Martin discuss Ella Fitzgerald

Anne McElvoy is joined by New Generation Thinker Seán Williams and writer Rachel Hewitt to consider Friedrich Schiller’s essay On Naïve and Sentimental Poetry and what it means to be sentimental in that period?

Will Abberley asks novelist Charlotte Mendelson why writers seem reluctant to engage with happiness and why so much literature is full of unhappy people; they are joined by psychologist and broadcaster Claudia Hammond.

Rana Mitter is joined by Sir Barry Cunliffe and Professor Edith Hall to consider epic sea journeys in history.

Novelist Lawrence Norfolk makes a selection of European writers who have considered the idea of ‘Europe’, with readings performed by Peter Marinker. Hosted by New Generation Thinker Nandini Das.

From Thomas De Quincy via Coleridge to Berlioz, a second-generation opium addict, Daisy Hay and Richard Davenport-Hines discuss why drugs were thought integral to creativity first in England and later in France. They tell Matthew Sweet and an audience at Imperial College London about opium as pain relief and creator of dreams and constipation, why arsenic was the Viagra of its day, and why it's just possible that Paris was as revolutionary as it was in the 19th century because it was full of drug-taking rebels.

Thomas Dixon, Director of the Centre for the History of Emotions, and musicologist Wiebke Thormählen look at mood: how composers and writers have engaged with themes of sentimentality, happiness and sorrow in their work, presented by Matthew Sweet.

Producer: Fiona McLean

Rana Mitter talks to geologist Iain Stewart and geographer Nicholas Crane about the concept of "Deep Time".