Maiken Nedergaard considers herself a pragmatic woman. She’s got kids, a career, and she knows she feels better after a solid night of shut-eye. She’s also a neuroscientist at the forefront of research showing the biological value of sleep. In studies she coauthored in 2013 and 2019, she documented how during sleep, fluid washes over our brains, clearing out toxins like beta amyloid, which is linked to neurodegenerative diseases.

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