Your dream retirement: sleep enough to stay sharp as you age

New study among the elderly proves that slumber affects how your mind works

20 October 2021 - 18:48

Finding your sleep “sweet spot” is vital to staying sharp, a new study on the cognitive function of older adults shows. Declining brain function was associated with too little or too much sleep — suggesting moderation wins.

Neurology professor and co-author David Holtzman said: “It was particularly interesting to see that not only those with short amounts of sleep but also those with long amounts of sleep had more cognitive decline...

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