Napping has benefits, provided it doesn’t exceed 40 minutes. Photo: Corbis

Why you shouldn’t nap for more than 40 minutes - it could harm your health

Diabetes expert says short naps may be good for us but longer siestas are definitely bad for us, being associated with increased risk of suffering high blood pressure and other conditions

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Napping has benefits, provided it doesn’t exceed 40 minutes. Photo: Corbis
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