Especially as the in-depth understanding of the different sleep states, the mechanism of memory, and the relationship between sleep and memory increasingly become the focus of the study.

特别是随着人类对睡眠状态研究的不断深入以及记忆机制各方面的深入了解，睡眠与记忆的关系问题越来越成为大家研究的重点。

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In patients with dementia, the symptoms of brain cells dying, bad sleep and memory loss are far far worse than in normal ageing.

BBC: Boosting sleep 'may slow memory rot'

She added this could specifically help medical and military training and further research could be carried out to see if sleep loss affected other brain and memory functions in a similar way.

BBC: Spatial memory works in a similar way in rats and humans

This work shows that sleep trains the brain and promotes memory reorganisation from the hippocampus to the striatum, meaning that navigation becomes more automatic.

BBC: Time spent in bed could make you a better gamer