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Hazel Sheffield – The science of sleep and why napping is good for you

The Arndale shopping centre in Manchester is an impractical place to take a nap. Shoppers hurry through its drafty, off-white interior. People stop on curvy benches to eat Greggs pasties. Workers rush back to their desks before the end of their lunch break. No one notices the low throbbing sound emanating from a big black tent right in the middle …