Dr. Andrew Huberman's Sleep Stack
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Resources from this episode: https://tim.blog/2023/03/08/dr-andrew-huberman/
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Andrew Huberman, PhD (@hubermanlab), is a neuroscientist and tenured professor in the Department of Neurobiology at Stanford University’s School of Medicine. He has made numerous important contributions to the fields of brain development, brain function, and neural plasticity. Work from the Huberman Laboratory at Stanford Medicine has been consistently published in top journals including Nature, Science, and Cell.
Andrew is the host of the podcast Huberman Lab, which is often ranked as one of the top five podcasts in the world by both Apple and Spotify. The show aims to help viewers and listeners improve their health with science and science-based tools. New episodes air every Monday on YouTube and all podcast platforms.
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Tim Ferriss is one of Fast Company’s “Most Innovative Business People” and an early-stage tech investor/advisor in Uber, Facebook, Twitter, Shopify, Duolingo, Alibaba, and 50+ other companies. He is also the author of five #1 New York Times and Wall Street Journal bestsellers: The 4-Hour Workweek, The 4-Hour Body, The 4-Hour Chef, Tools of Titans and Tribe of Mentors. The Observer and other media have named him “the Oprah of audio” due to the influence of his podcast, The Tim Ferriss Show, which has exceeded 900 million downloads and been selected for “Best of Apple Podcasts” three years running.
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The speaker discusses an evidence-based sleep supplementation protocol combining magnesium threonate, L-theanine, and apigenin as foundational tools, while emphasizing that behavioral factors like hydration timing and circadian rhythm alignment are equally critical to supplement efficacy.
- The same sleep stack (magnesium threonate, L-theanine, apigenin) remains the primary recommendation despite exploration of additional compounds like myo-inositol
- Hydration timing (gulping in morning vs. sipping at night) influences nighttime urination through kidney filtration mechanisms driven by circadian rhythm
- Supplement selection must account for individual variation—L-theanine may intensify dreams and be contraindicated for those with robust nightmares
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Morning fluid ingestion (gulping) increases bioavailable hydration absorption in the kidney and should involve consuming a large quantity of liquid in the morning, then titrating off throughout the day, based on circadian rhythm differences in kidney function
“for morning hydration the opposite is true you actually want to gulp down quite a lot of liquid in the morning you can absorb quite a lot of liquid in the morning there's a I'm reading this really nerdy review in nature has this wonderful review series on circadian rhythms in the kidney your kidney is not the same organ first thing in the morning as it is at night this is what circadian biologists have been shouting for a long time every organ is this way but you want to hydrate pretty heavily first thing in the morning and then over the day you can titrate off that liquid”
Rapid fluid ingestion (gulping) at night increases urinary urgency and frequency due to kidney filtration mechanisms that signal the bladder more rapidly, whereas sipping fluid slowly delays the urge to urinate
“it turns out that it's not just how much fluid you drink which dictates whether or not you need to urinate because that's sort of a duh it's also how quickly you ingest that fluid if you gulp fluid down it actually because of the way fluid is absorbed it actually in the kidney the way filtration occurs in the kidney the way it signals to the bladder is that it makes you have to go to the bathroom fairly urgently so if you have your final beverage of the day sip it don't gulp it”
L-theanine increases dream vividness and may be contraindicated for people who experience robust dreams or nightmares, as it will intensify these experiences
“yeah theanine is not going to be good for people that have very robust dreams or nightmares because it will increase how Vivid your dreams are”
Light exposure in the morning, exercise, and sleep supplementation are all contributing factors to good sleep quality, but the suggestion is that behavioral tools like these should be prioritized as foundational before or alongside supplements
“with the understanding that as much as people want to fix everything with silver bullets light exposure in the morning exercise all these are contributors to good good quality sleep”
Magnesium threonate, L-theanine (spelled t-h-r-e-o-n-a-t-i-o-n-i-n-e), and apigenin comprise a durable sleep supplementation stack that the speaker has maintained and continues to recommend as foundational tools for sleep quality
“I still use the same sleep stack so it's magnesium three and eight it's spelled t-h-r-e-o-n-a-t-i-o-n-i-n-e and apogenin”
Circadian rhythm differences in kidney organ function are well-established across multiple publications, demonstrating that kidney physiology and filtration capacity are not constant across the 24-hour cycle
“I'm reading this really nerdy review in nature has this wonderful review series on circadian rhythms in the kidney your kidney is not the same organ first thing in the morning as it is at night this is what circadian biologists have been shouting for a long time every organ is this way”
Apigenin is a high-concentration chamomile extract that functions as a potent derivative of chamomile tea's active components
“apogenin which am I understanding correctly that is effectively chamomile tea on steroids High concentration chamomile extract”
Myo-inositol has extensive research literature supporting its use for improving insulin sensitivity, and separate research shows D-chiro-inositol is important for female fertility, though the speaker uses myo-inositol specifically for sleep maintenance rather than these indications
“extensive literature on inositol for improving insulin sensitivity there's also something called D chiro inositol which is important for female fertility we can talk about that but what I've added in the 900 milligrams myoinositol for is I do sometimes like many people wake up at three in the morning to use the restroom”
Myo-inositol's standard clinical dosing for insulin sensitivity and depression ranges from 900 milligrams (the speaker's dose) to 5 grams daily, indicating that 900 milligrams is a relatively low therapeutic dose despite being a large physical pill
“900 milligrams which turns out to be it's a big pill but turns out to be pretty low dose for insulin sensitivity they give and for depression they give people up to five grams of myoinositol a day okay but it's a mild sedative so I don't know how people get away with that”
Myo-inositol (900 milligrams) has been added to the sleep protocol specifically to improve the ability to fall back asleep after waking at 3 AM to urinate, as confirmed by sleep tracking data from Eight Sleep showing improved slow-wave and REM sleep metrics after adding myo-inositol
“I've added every once in a while I'll take 900 milligrams of myoinositol... what I've added in the 900 milligrams myoinositol for is I do sometimes like many people wake up at three in the morning to use the restroom... it helps me fall back asleep after that and I am tracking my sleep because I sleep on innate sleep”
Among the four-component sleep stack (magnesium threonate, L-theanine, apigenin, and myo-inositol), magnesium threonate and apigenin are the two most essential compounds, with the other two as secondary or conditional additions
“the question is if you could only choose two of those oh easy mag 3na and apogenic okay yeah got it”
Eight Sleep provides superior sleep tracking compared to popular wristbands and rings (Whoop and Oura) because Eight Sleep's under-bed sensor is less susceptible to measurement error from limb movement, and more accurately captures slow-wave sleep and REM sleep ratios
“a lot of the wristbands and rings for tracking sleep while they can be quite good and are quite good whoops and auras being the two most popular ones they can get movement wrong because of movement of Limbs whereas the eight sleep seems to really capture slow wave sleep rapid eye movement sleep ratios really well”
The speaker does not believe they have become dependent on sleep supplements despite regular use, noting that on occasions when they've awakened with pills in hand or on their nightstand, they did not take them and sleep remained adequate
“I occasionally be so tired one before my workout yeah occasionally I'm so tired that I'll wake up with the pills in my hand or on the night skin so I don't think I'm dependent on them in any way”
The speaker uses both Eight Sleep and Oura Ring simultaneously for sleep tracking, comparing data across platforms to optimize sleep protocol refinement
“I use both a sleep and Aura at the moment”
At 5 grams daily dosing, myo-inositol functions as a mild sedative, which raises questions about how people tolerate such high doses without excessive daytime somnolence
“but it's a mild sedative so I don't know how people get away with that”