Are you a 'night owl' or a 'morning lark'? Research reveals who will live longer

'Night owls' - people who stay up late and struggle to get out of bed in the morning - are more likely to die younger than 'morning larks'.

New research by the University of Surrey and Northwestern University in the US found that people who naturally stay up late were 10pc more likely to die within the six-and-a-half-year study period compared to those who preferred the morning.

Researchers say that the ongoing stress of operating in a 9-5 society was having a huge impact on millions and could be shortening their lives. "This is a public health issue that can no longer be ignored," said Malcolm von Schantz, a professor of chronobiology at the University of Surrey.

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