• Question: Why do we sleep and dream ?

    Asked by anon-363512 about How Do Our Brains Change as We Age? on 5 Jun 2023
    • Photo: Lilach Soreq

      Lilach Soreq answered on 5 Jun 2023:


      We need night sleep to restore our bodies during the night and get energy for the next day ahead. Without sleep, you canโ€™t form or maintain the pathways in your brain that let you learn and create new memories, and itโ€™s harder to concentrate and respond quickly. Sleep is important to a number of brain functions, including how nerve cells (neurons) communicate with each other. Deep inside the temporal lobe of the brain, the hippocampus has a central role in our ability to remember, imagine and dream.

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