Older people need as much sleep as youngsters to keep brain in tip-top shape

The idea that people need less sleep as they age is a myth and could contribute to a decline in memory among the elderly, according to a Californian researcher. Professor Sean Drummond, an expert in sleep and memory, said older adults needed as much sleep as younger ones.

https://www.theage.com.au/lifestyle/wellbeing/older-people-need-as-much-sleep-as-youngsters-to-keep-brain-in-tiptop-shape-20100223-p0py.html