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The Matt Walker Podcast

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Matt explores the brain's secret plumbing, a waste-clearance network once ignored for over a century. He explains how the glymphatic system flushes metabolic toxins like amyloid-beta during sleep. This "night shift" allows fluid to cleanse neurons, offering a key defense against cognitive decline.


He also examines the latest debates, including nor...


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Matt tracks sleep across the human lifespan, from newborn "active sleep" to the shifts of healthy aging. He explores how biological milestones - like puberty, pregnancy, and menopause - impact rest, reframing disruptions as responses to life pressures rather than personal failings.

He goes on to examine the roles of trauma, grief, and retirement, highlighting ...


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Matt explains the science of deep sleep, emphasizing that this front-loaded stage is vital for physical and mental repair. To boost it, he recommends "builders" like consistent wake times, daily exercise, and pre-bed warming to trigger core cooling. These habits help align the body's clock and maximize the restorative cycles occurring early in the night.



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Matt explores how the brain constructs reality by examining neurological anomalies. He contrasts "super-recognizers" with those living with prosopagnosia, or face blindness. By analyzing the Capgras delusion, where loved ones are recognized but perceived as imposters, Matt illustrates the neurological split between conscious identification and the brain's internal emotiona...


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Matt examines the neurobiology of love, defining it as a reward system rather than just an emotion. He breaks love into three systems: lust (hormones), attraction (dopamine), and attachment (oxytocin). Using brain scans and prairie vole studies, he explains why romance feels like "madness" and why love is neurologically "blind."

Discussing long-term passion, M...


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