Neuroscience

Asleep somewhere new, one brain hemisphere keeps watch

People who go to bed wary of potential danger sometimes pledge to sleep "with one eye open." A new Brown University study finds that isn't too far off. On the first night in a new place, the research suggests, one brain hemisphere ...

Neuroscience

Memory accuracy and strength can be manipulated during sleep

The sense of smell might seem intuitive, almost something you take for granted. But researchers from NYU Langone Medical Center have found that memory of specific odors depends on the ability of the brain to learn, process ...

Alzheimer's disease & dementia

Improving deep sleep may prevent dementia, study finds

As little as 1% reduction in deep sleep per year for people over 60 years of age translates into a 27% increased risk of dementia, according to a study which suggests that enhancing or maintaining deep sleep, also known as ...

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