Sleep, Life And Style, Dementia, Science, Alzheimer's, Older People, Ageing

Sleep, Life And Style

Sleep affluence: why too much shut-eye can be bad for your health

Sleep affluence: why too much shut-eye can be bad for your health

10/27/2021 6:48:00 PM

Sleep affluence: why too much shut-eye can be bad for your health

A new study re-emphasises the fact that oversleeping can be harmful for us – and especially for older people

Possibly anything over seven and a half hours a night.What?! What about my beauty sleep? Eight hours, absolute minimum.The study monitored 100 older adults, in their mid to late 70s.I amawake now, sotell me what they found. That there’s an association between less than five and a half hours’ sleep and, more surprisingly, more than seven and a half hours’ sleep and reduced cognitive performance for older adults.

So how much is rightfor the over-75s?The “sweet spot” is somewhere in the middle range, between five and a half and seven and a half hours’ kip.What else is associated with cognitive decline in older people?Alzheimer’s is the main cause, contributing to around 70% of dementia cases. “It’s been challenging to determine how sleep and different stages of Alzheimer’s disease are related,” said Lucey. “But that’s what you need to know to start designing interventions.”

And for those of us who haven’t reached the three-quarter century mark, how muchshuteye should we be getting? Read more: Lifestyle »

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