There's still so much we don't know about Alzheimer's disease, but the link between poor sleep and worsening disease is one that researchers are exploring with gusto.

A study published in 2023 found that using sleeping pills to get some shut-eye could reduce the buildup of toxic clumps of proteins in fluid that washes the brain clean every night.

People who took suvorexant , a common treatment for insomnia, for two nights at a sleep clinic experienced a slight drop in amyloid-beta and tau , two proteins that pile up in Alzheimer's disease.

The trial was short and involved a small group of healthy adults, but the research – from Washington University in St. Louis – is an interesting demonstration of the link between sleep and the molecular markers of Alzheimer's disease.

Sleep d

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