Health study finds Brits are the worst sleepers

Experts blame the modern British culture that undervalues the importance of sleep and sees people who spend hours in bed as weak and lazy. Margaret Thatcher was admired for being able to function on just three hours' a night but David Cameron was mocked for "chillaxing" and enjoying early nights. Aviva UK Heath Medical Director Dr Doug Wright said: "If it feels like you're always running on empty, you're not alone: our research shows that as a nation we're some of the worst sleepers in the world