Stanford neuroscientist Andrew Huberman recently appeared on the Diary of a CEO podcast to share something remarkable: 10 completely free protocols that could transform mental health, physical performance, and overall wellbeing.
These aren’t complicated biohacks requiring expensive supplements or equipment.
Instead, they’re daily practices grounded in decades of research on how our nervous system actually works.
Huberman, a tenured professor of neurobiology and ophthalmology at Stanford University School of Medicine and host of one of the world’s top health podcasts, structured these protocols around the body’s natural cortisol curve—from the moment you wake up until you fall asleep.
Jump to:
- Morning Light: The Foundation Protocol
- The Physiological Sigh: Instant Stress Relief
- Red Light Before Breakfast: Blood Sugar Hack
- Movement Window: Exercise for Brain Power
- Afternoon Sun: Netflix Inoculation
- UVB Exposure: Hormone Optimization
- Dark Nights: Completing the Cycle
- The Protocols Book Context
- Scientific Grounding and Limitations
- Practical Implementation
- Why This Matters Now
Morning Light: The Foundation Protocol
Huberman emphasized that getting sunlight in your eyes within the first hour of waking is the single most important thing you can do for your health.
Bright days and dark nights are both essential and additive for mental and physical wellbeing.
This isn’t just motivational advice. Cortisol naturally peaks within 30-45 minutes of waking—a phenomenon called the cortisol awakening response. Light exposure during this window synchronizes your brain’s master circadian clock, setting the tone for energy, focus, and sleep quality later.
If you want something simple that actually works, this is one of the most effective tools I’ve used to build strength, conditioning, and endurance without needing a full gym setup.
- Full-body training with one weight using swings, squats, and presses
- Solid cast iron build that feels stable and lasts for years
- Comfortable grip that makes high-rep workouts easier to handle
The recommendation is simple: 10-30 minutes of outdoor light exposure on clear days, longer if it’s overcast. No sunglasses. Looking toward the sun, not directly at it.
The Physiological Sigh: Instant Stress Relief
When stress hits during the day, Huberman shared a breathing technique that research from Stanford shows can reduce physiological arousal faster than meditation or box breathing.
It’s called the physiological sigh: two quick inhales through the nose followed by one long, slow exhale through the mouth.
The double inhale reinflates collapsed alveoli in the lungs, while the extended exhale activates the parasympathetic nervous system. Heart rate drops. Tension releases.
One to three repetitions can shift your state in real time, making this protocol invaluable during high-pressure moments or anxiety spikes.
Red Light Before Breakfast: Blood Sugar Hack
One of the more unexpected protocols involves exposing skin to red or near-infrared light for 10-20 minutes before eating breakfast.
If you want something simple that actually works, this is one of the most effective tools I’ve used to build strength, conditioning, and endurance without needing a full gym setup.
- Full-body training with one weight using swings, squats, and presses
- Solid cast iron build that feels stable and lasts for years
- Comfortable grip that makes high-rep workouts easier to handle
Huberman cited research from University College London suggesting this practice can reduce blood glucose spikes by up to 25% following meals.
The mechanism appears related to how red wavelengths interact with mitochondrial function in cells, priming metabolism before food intake. While this research is newer and still being validated, early findings are compelling.
Sunlight contains red and near-infrared wavelengths naturally, so morning sun exposure may provide this benefit without specialized equipment.
Movement Window: Exercise for Brain Power
Huberman recommended getting at least one bout of intense exercise weekly—ideally combining compound movements with cardiovascular work.
But here’s where it gets interesting: the four hours following intense exercise represent a measurably enhanced window for learning and focus.
The protocols are explicitly designed to be zero-cost and accessible to anyone.
Neurochemical changes during and after challenging physical activity—including elevated dopamine, norepinephrine, and brain-derived neurotrophic factor (BDNF)—create optimal conditions for cognitive performance.
If you want something simple that actually works, this is one of the most effective tools I’ve used to build strength, conditioning, and endurance without needing a full gym setup.
- Full-body training with one weight using swings, squats, and presses
- Solid cast iron build that feels stable and lasts for years
- Comfortable grip that makes high-rep workouts easier to handle
Strategic timing of workouts can therefore amplify productivity throughout the day.
Afternoon Sun: Netflix Inoculation
Late-afternoon sunlight exposure emerged as another crucial protocol, one Huberman playfully calls a “Netflix inoculation.”
Getting outside during the late afternoon—when the sun is lower in the sky—helps buffer your eyes against the melatonin-suppressing effects of artificial light at night.
This creates resilience in your circadian system. Your body becomes less sensitive to screen time disrupting sleep later, though darkness at night remains essential.
Even 5-10 minutes makes a measurable difference.
UVB Exposure: Hormone Optimization
Huberman discussed emerging research suggesting that UVB light exposure—the same wavelength that triggers vitamin D production—may increase testosterone and estrogen through mechanisms beyond vitamin D itself.
If you want something simple that actually works, this is one of the most effective tools I’ve used to build strength, conditioning, and endurance without needing a full gym setup.
- Full-body training with one weight using swings, squats, and presses
- Solid cast iron build that feels stable and lasts for years
- Comfortable grip that makes high-rep workouts easier to handle
This area of research is newer and more contested than morning light protocols. Not all scientists agree on the magnitude or universality of these hormonal effects.
However, the potential benefits of moderate sun exposure extend beyond hormone levels to include mood regulation, immune function, and bone health.
Dark Nights: Completing the Cycle
Huberman’s framework emphasizes that bright days mean nothing without genuinely dark nights.
Minimizing light exposure after sunset—particularly overhead lighting and blue wavelengths from screens—allows melatonin to rise naturally and cortisol to drop to baseline levels.
- Dim lights low in your visual field
- Use warm-toned bulbs or candles
- Minimize screen brightness and duration
- Consider blue-blocking glasses if needed
Sleep quality depends heavily on this contrast between daytime light exposure and nighttime darkness.
The Protocols Book Context
Huberman’s appearance on Diary of a CEO coincided with the release of his book “Protocols: An Operating Manual for the Human Body,” published by Simon & Schuster.
If you want something simple that actually works, this is one of the most effective tools I’ve used to build strength, conditioning, and endurance without needing a full gym setup.
- Full-body training with one weight using swings, squats, and presses
- Solid cast iron build that feels stable and lasts for years
- Comfortable grip that makes high-rep workouts easier to handle
The book expands on these foundational practices with comprehensive guides to brain function optimization, mood enhancement, energy management, and nervous system rewiring.
His approach synthesizes research from his own Stanford laboratory with insights from hundreds of expert interviews conducted through the Huberman Lab podcast, which consistently ranks among the top podcasts globally.
Scientific Grounding and Limitations
Many of these protocols rest on well-established circadian biology. Morning cortisol peaks are thoroughly documented. Light’s role in regulating the suprachiasmatic nucleus—the brain’s master clock—is fundamental neuroscience.
The physiological sigh has been studied at Stanford and shown to reduce stress markers more effectively than other common breathing techniques.
However, some specific claims deserve careful interpretation. The 25% blood glucose reduction from red light exposure and UVB-driven hormone elevation represent newer research areas with limited studies and potential confounding variables.
These protocols may not apply universally across all populations and contexts. Individual variation matters.
If you want something simple that actually works, this is one of the most effective tools I’ve used to build strength, conditioning, and endurance without needing a full gym setup.
- Full-body training with one weight using swings, squats, and presses
- Solid cast iron build that feels stable and lasts for years
- Comfortable grip that makes high-rep workouts easier to handle
Practical Implementation
What makes Huberman’s approach distinctive is its zero-cost accessibility. No supplements required. No expensive equipment. No gym membership necessary.
The protocols work with natural environmental factors—sunlight, darkness, breathing, movement—that humans evolved alongside for millennia.
Implementation doesn’t require perfection. Start with morning light exposure. Add the physiological sigh during stressful moments. Build from there.
Small, consistent changes to daily routines can create meaningful shifts in how you feel, think, and perform over weeks and months.
Why This Matters Now
Modern life increasingly disconnects us from natural light-dark cycles. Indoor work environments, artificial lighting, and constant screen exposure create circadian disruption that manifests as poor sleep, low energy, mood problems, and metabolic dysfunction.
Huberman’s protocols offer a framework for realigning biology with environment—using free, accessible tools that work with your nervous system rather than against it.
If you want something simple that actually works, this is one of the most effective tools I’ve used to build strength, conditioning, and endurance without needing a full gym setup.
- Full-body training with one weight using swings, squats, and presses
- Solid cast iron build that feels stable and lasts for years
- Comfortable grip that makes high-rep workouts easier to handle
His credibility as a Stanford professor and award-winning neuroscientist lends scientific weight to practices that might otherwise seem oversimplified or trendy.
Whether you’re optimizing performance, managing stress, or simply trying to feel better day-to-day, these evidence-based protocols provide actionable starting points grounded in how human physiology actually functions.
