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By the time writing was invented, the Greeks and Egyptians had already learned to extract opium from poppies to facilitate sleep.
The Secret Life of Sleep
What makes us cross the line from waking to slumber? According to Harvard scientists it's our 'sleep switch' - a cluster of neurons in the hypothalamus. For the ancient Greeks it was the god Hypnos, caressing you with his wings. For the Blackfeet Indians, a butterfly. And in European children's tales, the Sandman, sprinkling you with dust.
Why do we sleep? What happens in our brains when we sleep? Why are sleep patterns in modern Western industrialised countries so unhealthy? Is the boundary between sleep and wakefulness as clear cut as we might have supposed? How meaningful are dreams? Kat Duff brings insights from her own life, from the latest in sleep science, the paintings of Salvidor Dali, the musings of Michel de Montaigne, and wisdom and rituals from around the world and the past to paint a fascinating picture of a world that is both the most intimate and the most secret to us: sleep.
By the time writing was invented, the Greeks and Egyptians had already learned to extract opium from poppies to facilitate sleep.
