A new study reveals how the brain’s natural immune cells, known as microglia, play a critical role in regulating sleep patterns by interacting with neurons. Researchers found that these immune cells help maintain the delicate balance of neural activity necessary for healthy sleep cycles, offering potential insights into disorders like insomnia or sleep deprivation. The findings suggest microglia may serve as a previously underappreciated target for therapies aimed at improving sleep quality. The research challenges conventional views by highlighting the immune system’s direct influence on brain function beyond its traditional defensive role.
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