A headteacher, who was the first in England to move start times to 10 am so students could have a lie in, is calling on workplaces to ditch nine to five days.
Dr. Paul Kelley, the former headmaster of Monkseaton community school in Tyneside and researcher in sleep science, wants office workers to start work later.
The former headteacher believes that workers who ignore their natural body clock and sleep pattern may be harming their health.
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