Alzheimer's disease & dementia

Sleepless nights show ties to Alzheimer's risk

Even one night of lost sleep may cause the brain to fill with protein chunks that have long been linked to the development of Alzheimer's disease, a new study warns.

Neuroscience

Why does sleep become disrupted in old age?

The brain maintains its ability to generate local neural oscillations during sleep throughout the lifespan, according to a study of young and old mice published in JNeurosci. The research indicates that age-related disruptions ...

Health

Why teens need up to 10 hours' sleep

Technology, other distractions and staying up late make is difficult, but researchers say teenagers need to make time for 8-10 hours of sleep a night to optimise their performance and maintain good health and wellbeing.

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