Hidden Bacterial Molecules in the Brain Reveal New Secrets of Sleep
Researchers at Washington State University found bacterial molecules in mouse brains that fluctuate with sleep cycles, supporting a model where microbes help regulate sleep, the study shows.
7 Articles
7 Articles
Hidden bacterial molecules in the brain reveal new secrets of sleep
New studies show that a bacterial molecule, peptidoglycan, is present in the brain and fluctuates with sleep patterns. This challenges the idea that sleep is solely brain-driven, instead suggesting it’s a collaborative process between our bodies and microbiomes. The theory links microbes not only to sleep but also to cognition, appetite, and behavior, pointing to a profound evolutionary relationship.


Scientists have revealed that sleep arises from communication between the regulatory systems of the body, the brain and the multitude of microbes that live within us, especially the intestinal microbiota.
Gut Microbes May Hold the Hidden Key to Why We Sleep
A new study shows that bacterial cell wall molecules, specifically peptidoglycan, are present in the brain and fluctuate with sleep cycles. This finding supports a hypothesis that sleep is not solely brain-regulated but arises from the interplay between the body and its microbiome.
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