Try TrueDark (with my discount): https://truedark.com/discount/DAVETUBEI have spent 20 years and over $2 million testing my biology, and the biggest lesson I've learned is that sleep is a neurological system, not just a chemical one. Most people fail to get deep rest because they are stuck in Beta brainwaves—a state of hypervigilance fueled by stress and blue light. You can take all the melatonin in the world, but if your brain is electrically "awake," you will stay "tired but wired."The "switch" I use to fix this is an amino acid called L-theanine. It crosses the blood-brain barrier to increase Alpha waves, which quiet the prefrontal cortex and stop overthinking. By boosting GABA and lowering glutamate, it prepares the brain for rest without the groggy "hangover" of traditional sedatives.To make this work, I follow a strict protocol: taking 400mg–1000mg about 45 minutes before bed on an empty stomach. I also protect my "Alpha state" by blocking blue and green "junk light" with TrueDark glasses, which prevents cortisol spikes that ruin sleep architecture. When you combine the right compounds with a dark, low-stimulation environment and consistent timing, sleep stops being something you chase and becomes something your body does automatically.Timestamps:00:00 – Introduction00:23 – How the Brain Enters Sleep01:00 – Why Most Supplements Fail02:15 – Beta Waves: The Sleep Blocker03:29 – Alpha Waves: The Sleep Gateway04:51 – The Amino Acid That Shifts Your Brain06:11 – Introducing L-Theanine06:48 – Common L-Theanine Mistakes08:02 – The Right Protocol09:34 – Light & Your Sleep Environment11:13 – Fixing Your Light Environment12:14 – The Full Sleep System13:59 – Putting It All TogetherThank you to our sponsors!<ul><li>AquaTru | Go to&nbsp;<a href="https://aquatruwater.com/daveasprey" rel="noopener noreferrer" target="_blank">https://aquatruwater.com/daveasprey</a>&nbsp;and save $100 on all AquaTru water purifiers.</li><li>LYMA | Go to&nbsp;<a href="https://lyma.sjv.io/gOQ545" rel="noopener noreferrer" target="_blank">https://lyma.sjv.io/gOQ545</a>&nbsp;and use code DAVE10 for 10% off the LYMA Laser.</li></ul>Connect with Dave Asprey!Website: https://daveasprey.comTikTok: https://www.tiktok.com/@daveaspreyofficialInstagram: https://www.instagram.com/dave.asprey/Facebook: https://www.facebook.com/Daveaspreyofficial/X: https://x.com/daveaspreyYouTube: https://www.youtube.com/c/daveaspreybprThe Human Upgrade Podcast: https://www.instagram.com/TheHumanUpgradePodcast/ https://m.facebook.com/Thehumanupgrade/Danger Coffee: https://dangercoffee.com/DAVE15Dave Asprey’s BEYOND Conference: https://beyondconference.com/Dave Asprey’s New Book - Heavily Meditated: https://daveasprey.com/heavily-meditated/Dave's favorite supplements: https://www.shopsuppgradelabs.com/discount/DAVE15Upgrade Labs: https://upgradelabs.com40 Years of Zen: https://40yearsofzen.comSee Privacy Policy at <a href="https://art19.com/privacy" rel="noopener noreferrer" target="_blank">https://art19.com/privacy</a> and California Privacy Notice at <a href="https://art19.com/privacy#do-not-sell-my-info" rel="noopener noreferrer" target="_blank">https://art19.com/privacy#do-not-sell-my-info</a>.

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