The chances are most of us will remember at least one dream we’ve had recently. But where do dreams come from, why is their content often universal across different cultures, and what can we learn from studying nightmares?

In this episode, the first of a series of two, I speak to neurosurgeon and bestselling author Rahul Jandial about his new book This is Why You Dream: What your sleeping brain reveals about your waking life.

We talk about what’s going on in the different areas of our brains when we dream, how the dreaming brain differs from the waking brain, and the intimate links that exist between our emotions, imagination and ability to dream.

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