Bedtime story: Why do people sleep? A new study points to the brain

economist.com/science-and-technology/2025/07/16/why-do-people-sleep-a-new-study-points-to-the-brain

Why do people sleep? A new study points to the brain
Experiments on fruit flies suggest tiredness could be caused by damaged neurons
IT IS HARD to overstate the importance of sleep. Regular hours of rest offer organisms of all sizes a chance to consolidate memories, repair cells and…

This story appeared on economist.com, 2025-07-16 18:29:41.
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