Vladislav Andreev
Notes on performance and biology
Short, science-backed reads on sleep, stress, recovery, energy, and decision quality for founders and senior operators.
All articles
- Is a Walking Pad Actually Worth Your Time?
- Why Am I So Groggy for the First Hour After Waking?
- Is a Standing Desk Actually Doing Anything?
- Is Sitting All Day Draining Your Focus?
- How Long Should an Executive Nap?
- Are Ultra-Processed Foods Dulling Your Focus?
- Why Doesn't My Coffee Work Like It Used To?
- Can Changing My Diet Actually Lift My Mood?
- How Do I Actually Raise My VO2 Max?
- Does L-Theanine Really Kill Caffeine Jitters?
- Is Low Fiber Draining Your Energy and Focus?
- How Do I Find My True Zone 2 Heart Rate?
- Does Ashwagandha Actually Lower Your Stress?
- Is Low Vitamin D Draining Your Winter Energy?
- Does Magnesium Actually Help You Sleep?
- Is Your Omega-3 Level Costing You Focus?
- Does Creatine Actually Sharpen Your Thinking?
- Does Protein Timing Actually Matter for Muscle?
- Is Dehydration Quietly Draining My Focus?
- Is My Zone 2 Training Actually Working?
- Does Sauna Actually Improve Recovery and Longevity?
- Is My Cold Plunge Actually Helping My Recovery?
- Does Weekend Catch-Up Sleep Actually Work?
- Is My Phone Before Bed Actually Wrecking My Sleep?
- Do Nicotine Pouches Tank My HRV and Sleep?
- Is My Late Dinner Wrecking My Recovery?
- Is My Evening Workout Stealing My Recovery?
- How Much Strength Training Do I Actually Need?
- How Late Is Too Late for Afternoon Coffee?
- The Novelty Habit: Small New Experiences, Sharper Mind
- Sleep Divergence: When Your Schedules Don't Match
- Micro-Recovery: Breaks Your Brain Can Actually Feel
- Why Does Alcohol Tank My HRV and Sleep?
- Is Your 55-Hour Week Building Recovery Debt?
- Why Does My Stress Spread Across My Team?
- Why Am I Present at Work but Mentally Offline?
- Is Context Switching Quietly Taxing Your Judgment?
- What Blood Tests Actually Matter for Executives?
- Why Does My Wearable Say I'm Recovered But I Feel Awful?
- Why Doesn't Rest Fix Executive Burnout?
- Why Don't I Bounce Back Like I Used To?
- How Do I Reset My Circadian Rhythm?
- Healthspan vs Lifespan: Why Living Longer Isn't Enough
- How Do I Sleep Well in Hotels When I Travel Weekly?
- Is a Biological Age Test Worth It?
- How Do I Recover From a Red-Eye the Same Day?
- What Screenings Are Actually Worth It at 40+?
- Which Wearable Metric Actually Earns Its Place?
- Why Does My Brain Feel Full by Midday?
- What Are the Early Signs of Insulin Resistance?
- What Does Nervous-System Regulation Actually Mean?
- How Do I Lower Cortisol Without Losing My Edge?
- Is VO2 Max the Longevity Metric Worth Your Time?
- Mental Fatigue or Burnout? How to Tell the Difference
- Why Do I Crash Every Afternoon at 3pm?
- What Does Low HRV Actually Tell You?
- How Does Sleep Loss Degrade Strategic Thinking?
- Is My Brain Fog Behavioral or Medical?
- Why Do Meetings Drain Me More Than Real Work?
- Why Am I Wired But Tired and Can't Switch Off?
- What Is Executive Recovery and Why Do Leaders Skip It?
- What Is the Health Debt Founders Never Audit?
- Why Can't I Sustain High Performance Without Crashing?
- Why Does My Decision Quality Drop Under Load?
- Why Does My Judgment Get Worse Every Afternoon?
- Why Do I Sleep 7 Hours and Still Wake Up Tired?
- The Novelty Habit: Small New Experiences, Sharper Mind
- Sleep Divergence: When Your Schedules Don't Match
- Micro-Recovery: Breaks Your Brain Can Actually Feel
- Hydration and Focus: What Really Drives the Afternoon Slump
- Why Habits Are Contagious: The Science of Peer Effects
- Blue Light and Sleep: What the Evidence Actually Says
- Exercise Snacks: Why 2-Minute Movement Counts
- Decision Fatigue: Why Your Judgment Runs Out by Afternoon
- Why Your Brain Needs Real Light and Real Darkness
- Why Social Connection Is a Mental Health Pillar
- Too Tired to Move? Why Movement Resets Your Brain
- The 2 PM Energy Crash: What Your Brain Needs
- Why You Stopped Feeling Curious (And How to Get It Back)
- The Founder Loneliness Paradox
- Mindfulness Without the Mat: 5-Minute Practices
- 5-Minute Stress Resets for an Overactive Nervous System
- The Daily Energy Stack: Sleep, Food and Movement
- The 90-Second Reset: Micro-Movement Breaks for Desk-Bound Founders
- Brain Fog and Blood Sugar: A Simple Fix for Focus
- Morning Light, Evening Dark: A Habit for Mental Clarity
- Why Founders Can't Sleep: A Circadian Reset
- The New Food Pyramid
- What's the reason behind depression and other mental health issues?
- Lifespan vs. Healthspan
- The Neuroscience of Burnout
- 7 Habit Science Secrets Every Founder Should Know to Beat Burnout
- Readiness to Change: The Science of Clarity Before Action