Scientists Reveal How Sleep Cleans the Brain, Protects Long-Term Health
Sleep is far more than a period of rest, scientists say, describing it as a powerful biological process that cleanses and repairs the body.
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Groundbreaking research from the University of Rochester Medical Center identified the glymphatic system — a specialized network in the brain responsible for removing waste toxins during deep sleep. Among the substances cleared is beta-amyloid, a protein strongly linked to Alzheimer’s disease. Researchers found that the brain eliminates waste significantly faster while a person is asleep than when awake.
Further studies published in the journal Science indicate that sleep plays a critical role in restoring immune strength, balancing hormones, and repairing damaged cells. Health experts warn that inadequate sleep can negatively affect memory, mood, and cardiovascular health.
Medical professionals recommend that adults get between seven and nine hours of quality sleep each night. Adequate rest, they note, supports learning, promotes emotional stability, and offers long-term protection for brain health.
As scientific evidence continues to grow, researchers emphasize that prioritizing sleep is essential not only for daily performance but also for overall well-being and longevity.
Scientists Reveal How Sleep Cleans the Brain, Protects Long-Term Health