Poor sleep quality may increase dementia risk, according to a 53,000-person study.

A large-scale study of over 53,000 adults, published in Nature Communications, found that frequent nighttime awakenings and insomnia symptoms were linked to a higher risk of developing dementia. The research tracked participants over 15 years, suggesting that disturbed sleep isn't just a symptom of cognitive decline, but potentially a contributing factor. For real, go to bed.