Do you want to be more productive at work? Make sure you sleep at least seven hours a night — but smoke and drink as much as you want.
A study of more than 21,000 employees has found a strong connection between lack of sleep and lower productivity at work. But, to the researchers’ surprise, smoking and alcohol consumption seem to make no difference.
Vitality Health, a UK health and life insurance company, commissioned research organisation Rand Europe and the University of Cambridge to study factors that affect workers’ productivity. They used data taken from companies that took part in the insurer’s “Britain’s Healthiest Company” competition.
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