The Matt Walker Podcast

The Matt Walker Podcast The Matt Walker Podcast is all about sleep, the brain, and the body. Matt is Professor of Neuroscience at the University of California, Berkeley.

He is the author of the book, Why We Sleep and has given a few TED talks. Matt is...an awkward British nerd.

11/22/2025

During deep sleep, the brain flushes out metabolic toxins like beta amyloid and tau protein, key culprits in Alzheimer's. Research shows a new class of sleep medication isn't just 'junk sleep'—it actively cleanses these toxins. This is groundbreaking.

11/18/2025

Can kiwifruit really improve sleep? A recent study tracked individuals who ate two kiwifruit before bed for four weeks. They fell asleep faster and spent less time awake at night. Small study caveats apply, but the potential is there! For immediate help, focus on sleep hygiene and CBT-I.

11/14/2025

Dolphins and some birds literally sleep with one half of their brain awake. Dolphins need to surface to breathe, and birds on the edge of flocks need to watch for predators. The first night in a new hotel? Your brain might be doing the same thing!

11/11/2025

New study reveals how short sleep (

11/08/2025

Nightmare disorder isn't just bad dreams. It's a sleep disorder where repetitive, intense dreams cause real distress. It affects 4% of adults. It's believed the brain's emotional processing fails, leading to recurring nightmares. The good news? Image rehearsal therapy can help rewrite those nightmares.

11/05/2025

A new study reveals a potential first medication treatment for sleep apnea using a GLP-1 drug. Participants taking tecepatide saw a fivefold reduction in sleep apnea severity, with 50% needing no further treatment! Could this be a game-changer?

11/01/2025

Is your melatonin gummy telling the truth? A new study found that 88% of melatonin brands have inaccurate dosages. Some had way less, others way more than claimed. One even had CBD instead! Look for brands with third-party testing. And remember, melatonin mostly helps set your sleep timing, not generate sleep.

10/27/2025

Waking up paralyzed is scary, but it's often normal REM sleep paralysis. The brain paralyzes the body during dreams to keep it safe. Sometimes, that paralysis lingers as consciousness returns. Reduce stress and protect your sleep.

10/24/2025

A new study reveals how sleeping pills like Xanax and Ambien affect sleep. Older adults using these medications experienced less deep sleep and disrupted brain wave patterns. Discover alternative, non-pharmacological sleep solutions. Let me know in the comments what other sleep topics you would like me to cover.

10/20/2025

A new study reveals why we get deep sleep early and REM sleep later. Scientists found deep sleep strengthens individual memories, while REM sleep remixes and connects information, leading to a 'big picture' understanding. Deep sleep equals knowledge; REM sleep equals wisdom.

10/16/2025

Want to improve your REM sleep? Control light and temperature, avoid alcohol and THC, and sleep in a little later. Even 15-20 extra minutes can significantly increase REM sleep. Have you tried any of these tips?

10/03/2025

Research suggests catching up on sleep during the weekend may decrease the risk of heart disease by 20% for those short on sleep during the week. Sleep helps repair blood vessels, reduce blood pressure, and inflammation. Good news for heart health, but other systems may not recover.

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