The Mind

Why we still don’t understand sleep, and why it matters

For the first 20 years of his life, Henry Nicholls had a healthy relationship with sleep. Shortly after his 21st birthday, he began to experience symptoms of narcolepsy, a debilitating disorder that’s plagued him ever since. Sleep research is progressing, so why are he and others like him still waiting for a cure?

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What is exploding head syndrome?

Prof Alice Gregory tells us more about exploding head syndrome and sleep paralysis, which form the basis of a new study being carried out by Goldsmiths, University of London and BBC Focus.