My guilty pleasure: Eat Pray Love

Watching Juila Roberts take a year-long romp of global self-discovery, the thing most people miss is that the film is a pin-sharp mockery of Liz Gilbert's bestselling book, writes David Jenkins

The Man Who Couldn’t Stop review – David Adam’s compelling study of OCD

Case studies including Churchill, Nikola Tesla and Hans Christian Andersen offer fascinating insights into OCD, writes Matt Haig

Frédéric Gros: why going for a walk is the best way to free your mind

Some of the finest thinkers in history were also enthusiastic walkers. Philosopher Frédéric Gros tells Carole Cadwalladr why we should fall in step with Nietzsche and Kant

Insomnia and me: Robert Muchamore

'The rush of creative energy beats anything else I've experienced. I have been awake for more than 50 hours'

Insomnia and me: Chris Cleave

'I do sometimes wonder why the nocturnal me seems to write on such strong acid'

Insomnia and me: AL Kennedy

'I fret that this is the least suitable night for me to be sleepless. Of course it is. It always is'

Insomnia and me: Jilly Cooper

'The only thing worse than not sleeping is rereading something I have written in the day and it making me go to sleep'

Insomnia and me: Kenneth Calhoun

'She would push up against my side and wait for sleep to radiate off me in soothing vibes'

Insomnia and me: Sloane Crosley

'When morning comes, I will be asked to run the same workday race as the rest of the world but with my shoelaces tied together'

Insomnia and me: Chuck Palahniuk

'Ambien helps me sleep more nights than I care to admit – although I'm uncertain about the quality of that sleep'