Why Can't I Sleep? The Science Of Better Sleep, Insomnia And Brain Health With Dr. Andrea Matsumura

Why Can't I Sleep? The Science Of Better Sleep, Insomnia And Brain Health With Dr. Andrea Matsumura

June 23, 2026 · 28 min · Episode 116

About this episode

This episode explores the science of sleep and its critical role in overall health with Dr. Andrea Matsumura.

You spend nearly one-third of your life asleep. Yet most people have no idea what their brain is actually doing during those hours. And when sleep breaks down, everything else often follows. Sleep isn't just about feeling rested. It's one of the most important biological processes for brain health, hormone regulation, memory, mental health, cardiovascular health, and longevity. In this episode of the Uncover Your Eyes Podcast, Dr. Meenal Agarwal sits down with double board-certified Internal Medicine and Sleep Medicine Physician Dr. Andrea Matsumura, creator of The D.R.E.A.M. Sleep Method, to explore the science of sleep and why so many people struggle with insomnia, fatigue, anxiety, and poor-quality rest. In this episode, you'll uncover: 🎧 Why sleep is the foundation of physical health, mental health, and brain function 🎧 What happens during each of the four stages of sleep 🎧 The surprising long-term health consequences of chronic sleep deprivation 🎧 How poor sleep affects hormones, metabolism, mood, memory, and cardiovascular health 🎧 The glymphatic system and how your brain removes waste while you sleep 🎧 Why women and men experience sleep differently 🎧 What…

People in this episode

Host: Dr. Meenal Agarwal

Guest: Dr. Andrea Matsumura

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Mentioned in this episode

Organizations: The D.R.E.A.M. Sleep Method

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