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Sleep’s Surprising Role in Strengthening Long-Term Memory

Learn how getting a good night’s sleep may be the key to enhanced and longer-lasting memories.

ByStephanie Edwards
(Image Credit: New Africa/Shutterstock) New Africa/Shutterstock

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One of the most important parts of living a healthy lifestyle is getting a good night’s sleep. Quality sleep can prevent illness, reduce stress, and enhance cognitive function, just to name a few.

A research team working with the Baycrest Corporate Centre for Geriatric Care has now added a new benefit to the list: unlocking the brain’s ability to sort memories. According to a study published in Nature Human Behaviour, sustained deep sleep not only safeguards against memory decline but also increases the brain’s ability to process memory.

It’s long been known that the quality of our sleep is directly related to our cognitive function. These new findings strengthen this connection and are the first to uncover that sleeping not only assists in making memories but can enhance our memories, too.

The memory enhancement revealed through this study is what’s known as sequential memory. This involves remembering the events of ...

  • Stephanie Edwards

    As the marketing coordinator at Discover Magazine, Stephanie Edwards interacts with readers across Discover's social media channels and writes digital content. Offline, she is a contract lecturer in English & Cultural Studies at Lakehead University, teaching courses on everything from professional communication to Taylor Swift, and received her graduate degrees in the same department from McMaster University. You can find more of her science writing in Lab Manager and her short fiction in anthologies and literary magazine across the horror genre.

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