#147 - Does Sleep Really Clean Your Brain?

#147 - Does Sleep Really Clean Your Brain?

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 norepinephrine’s role in pumping fluid through rhythmic arterial squeezing, and contrasts natural sleep with drug-induced sedation, warning that aids...

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Avsnitt(184)

#146 - How Sleep Changes Across the Human Lifespan

#146 - How Sleep Changes Across the Human Lifespan

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, r...

3 Aug 20min

#145 - How to get More Deep Sleep

#145 - How to get More Deep Sleep

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 exerc...

27 Juli 32min

#144 - Face Blindness Explained

#144 - Face Blindness Explained

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 d...

20 Juli 28min

#143 - The Science of Love, Desire, and Sex

#143 - The Science of Love, Desire, and Sex

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)...

13 Juli 33min

#142 - How Memory Affects Sleep

#142 - How Memory Affects Sleep

Exploring how daily memories shape the biology of sleep, Matt reveals that, beyond consolidating facts, the brain's restorative depth is a response to daytime effort. By showing how learning deepens s...

6 Juli 29min

The Beekeepers Garden -  A Sleep Story Read by Matt Walker

The Beekeepers Garden - A Sleep Story Read by Matt Walker

Matt invites you to embark upon a gentle journey to a peaceful, restful sleep. After settling in and breathing deeply, you will find yourself on a winding lane. Matt guides you past a mossy stone wal...

29 Juni 25min

#141 - The Daylight Mistake

#141 - The Daylight Mistake

Matt illuminates sunlight’s biological impact beyond Vitamin D as he reveals that our eyes contain a hidden daylight circuit wired directly to the brain. These "sky detectors" use bright outdoor light...

22 Juni 26min

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