#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. Thi...
10 Aug 25min
#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
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 Jul 32min
#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 Jul 28min
#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 Jul 33min
#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 Jul 29min
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 Jun 25min
#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 Jun 26min
