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Naps are good for you. They reduce stress and improve memory and mental health, doctors say - but don’t overdo it

  • Napping rejuvenates the mind and increases concentration, one doctor says, while studies indicate it can also reduce stress and boost the immune system
  • Although the ideal nap length varies from person to person, a foundation in the US believes the ‘sweet spot’ is around 20 minutes

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Students take naps in an assembly hall in Jinan, Shandong province, China. Taking a nap may be good for us - studies indicate it improves memory, reduces stress and boosts the immune system. Photo: Getty Images

China has long embraced the noon-nap-at-work culture. Now it seems the West is waking up to the practice, with corporate giants such as Google and Samsung, as well as US government space agency Nasa, integrating sleep pods into their offices.

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But does napping affect our health, and do we really benefit from it?

We often feel sleepy in the afternoon because our circadian rhythm (our internal body clock) is slow to alert us into staying awake.

While some might perceive afternoon sleepiness as annoying, a nap has its advantages, says Kenny Pang, an ENT (ear, nose and throat) specialist at Singapore’s Asia Sleep Centre.

MetroNap EnergyPods are spread throughout the Googleplex in California for employees at Google. Photo: Getty Images
MetroNap EnergyPods are spread throughout the Googleplex in California for employees at Google. Photo: Getty Images

Pang says a nap helps us catch up on missed sleep, rejuvenates the mind and increases concentration.

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