Deep slumber can keep the aged healthy & wise

Ageing typically brings on a decline in deep non-rapid eye movement or “slow wave sleep”. (Thinkstock photos/Getty Images) Loss of sleep in the elderly may increase the risk of developing a wide range of mental and physical disorders such as Alzheimer’s disease, say scientists who claim that deep slumber can act as a fountain of youth in old age. As we grow old, our nights are frequently plagued by bouts of wakefulness, bathroom trips and other nuisances as we lose our ability to generate the deep, restorative slumber we enjoyed…

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