About this episode
Performance Scientist Dr Andy Galpin reveals the BIGGEST sleep mistakes ruining your health, how to build better energy every day, why your sleep tracker could be making things worse, and whether health optimisation can actually backfire!
Dr. Andy Galpin is a Professor of Kinesiology and Executive Director of the Human Performance Center at Parker University. He has spent over 2 decades working with Olympic gold medallists, world champions, professional athletes, military special forces, and also hosts the Perform with Dr Andy Galpin podcast.
He explains:
◼ Why millions unknowingly have a sleep disorder that's silently damaging their health
◼ The morning routine that resets your body clock for better sleep at night
◼ The truth about melatonin, and why most people are taking it the wrong way
◼ The simple sleep tests you can do at home before visiting a specialist
◼ Why waking up exhausted after 8 hours could be a warning sign
Independent Fact Check: https://stevenbartlett.com/wp-content/uploads/2026/08/DOAC-Andy-Galpin-Independent-Research-Further-Reading.pdf
Chapters
00:00:00 Why do you do what you do
00:03:38 What goals bring people to you?
00:07:30 Health anxiety and over-optimising
00:08:33 Sleep disorders are a health crisis
00:10:29 Does sleep apnea disrupt sleep?
00:14:20 Why is sleep apnea so common?
00:15:17 Do I have a sleep issue?
00:18:28 Pros and cons of wearables
00:21:20 What causes a high resting heart rate?
00:21:48 Why is sleep getting worse?
00:22:58 Morning light and light pollution
00:25:16 How much does sound matter?
00:26:51 Best evidence-based sleep supplements
00:29:25 Do you recommend melatonin?
00:34:38 Is there a downside to coffee?
00:36:46 What mattress should I sleep on?
00:37:49 The real issue with screen time
00:47:08 Sleeping when you share a bed
00:48:48 Sleeping in new environments
00:49:34 Optimal temperature for sleep
00:55:34 Ads
00:57:32 Energy management for high performers
01:02:35 Steve's cholesterol results
01:07:06 Why healthy people can have an enlarged heart
01:10:20 Lowering cholesterol with lifestyle and medicine
01:13:55 Low vitamin D
01:16:42 Omega 3 and mercury levels
01:17:32 Exercise and the SAID principle
01:23:17 Use it or lose it with age
01:27:51 Ads
01:28:53 Is grip strength linked to mortality?
01:33:53 How to build muscle power
01:36:26 Does more exercise equal better?
01:40:59 What supplements do you take?
01:42:56 The best way to lose weight
01:50:25 Exercise and weight loss myths
01:52:32 The 54321 method for fat loss
01:54:08 Why am I not progressing?
01:55:50 Can AI create a workout plan?
02:00:06 What motivates people to change?
02:06:26 Are my goals bad?
02:08:43 What is worth doing if you might fail?
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Episode summary
This AI-generated Shortcast summary may omit nuance. Use the original episode when context or exact wording matters.
Dr. Andy Galpin, before we got rolling you said the work is research, coaching, and education—not chasing money. Why do it, and who are you trying to help?
I want every listener to have a real shot at their goals and dreams: look a certain way, perform, wake up without back pain. I remove fixable barriers. That’s why I’m as fired up for an NFL linebacker as somebody who wants tomorrow to hurt less.
After twenty years with athletes, executives, parents, and people with major limitations, I see two buckets: rebuild, where something is hurt or clinically wrong; and upgrade, where life is decent but they want more. I’m after the physiology—pain disrupts sleep, sleep affects mood, and everything connects.
Sleep and energy are the big ones people recognize. But you warned me not to turn this into health anxiety before everybody panics about a bad night.
Most people need more attention to health, but this audience can overdo it. Feeling sleepy late in the day is not a medical emergency, bro. Past your early twenties, don’t accept frailty, but don’t expect endless energy. Separate optimization from disease.
Sleep is probably where a huge amount of undetected disease lives. With apnea, maybe seventy to eighty percent of people may not know they have it, especially women. It can harm cognition, mood, recovery, metabolism, performance, and long-term health. You needn’t be a large, loud-snoring guy; it can be anatomical, positional, neurological, environmental, and more.
And it might not wake you up. If somebody suspects a problem but doesn’t have loads of money, where do they begin?
Start with how you feel, then use free validated questionnaires for insomnia, apnea, restless legs, circadian issues, and chronotype. Take a flagged result to a doctor and ask about a sleep study. Wearables help with awareness and total sleep time, but don’t let a generic score boss you around; deep and REM estimates are weaker.
Use a tracker to find patterns alongside your experience. One client found every beat-per-minute drop in resting heart rate meant a few more minutes asleep. His target became arriving at bed more down-regulated. Your tracker shows what happened; you still have to figure out why.
Modern life makes that harder. Cities are bright, noisy, and built to keep us switched on.
Night light matters, but morning and daytime light help set the rhythm early. Changing sound matters too. If you use white noise, quieter is generally better—below about forty decibels, especially for kids. TV or podcasts may help you drift off, but usually mask a cognitive problem. Learn what brings your system down.
There’s some evidence for chamomile, magnesium, and two or three kiwis before bed for some people. Melatonin is hormone-based medicine: respect it. It’s most useful for shifting your clock during travel and jet lag, not as a nightly crutch or two a.m. rescue. Think lower dose, quality-tested, earlier timing.
I’m wary of anything powerful because everything has a trade-off. Coffee is the one I still struggle with; the upside feels massive.
There are no free passes in physiology. Caffeine can improve performance, especially endurance, but cannot erase sleep debt. It may return you toward baseline; it does not recreate being well-rested and caffeinated. Don’t make the deal: I’ll sleep less and stimulate harder tomorrow.
Temperature, partner movement, hotels, airflow, and noise all matter. People do tend to sleep worse beside another person. I’m not demanding a full sleep divorce, but separate bedding, less motion transfer, earplugs, or a partial divorce can help. Traveling? Bring pieces of home—your pillow, familiar smell, whatever stacks small wins.
The phone problem feels more sinister now. AI is personalizing feeds at the exact hour we’re tired and vulnerable. We know it’s bad and still reach for it.
We’re wired to hunt novelty. Feeds exploit unpredictable rewards: boring, boring, boring, then one thing gets you—one more. Ask whether tomorrow’s health matters more than the next reel. I’m not perfect either; my phone is in my room. But the environment is not getting friendlier.
Don’t make sleep the center of your life. Make yourself resilient. Run one self-experiment at a time: temperature, late meals, partner disturbance, exercise timing, light. A bad night will happen. The win is executing anyway, then getting back on track without a twelve-step ritual.
If sleep is the foundation, energy is what people feel all day. Elite performers aren’t necessarily outworking everybody; they manage energy better.
They identify what drains eighty percent of their energy for almost no return, then cut it: under-fueling, sleep, pain, stimulants, sunlight, relationships, wasted effort. Don’t add twenty routines because you heard twenty podcasts. Find the biggest constraint and make one or two active changes per week. Solve the knee, not ten unrelated supplements.
Exercise works because the body adapts to demand: healthier mitochondria, more blood volume, better oxygen delivery, stronger tissues. It needn’t be a gym—carry, walk, garden, climb, play sport. If stairs are maximal, you avoid them and decline faster. Use it or lose it is very, very real.
That reframed aging for me. I don’t just want to stay alive without pain. I want to lift kids, move well, think clearly, maybe dunk at seventy.
Call it performance span, not just health span. Resist decline where we can; don’t park an incredible off-road truck in the garage forever. Grip strength, VO2 max, and muscle power are useful signals, but don’t make one your religion. A weak grip can flag risk; moving from the eightieth to ninetieth percentile won’t buy immortality.
Training frequency is less magical than people think. For muscle, weekly quality volume matters; more visits help only if they create productive work. If you train three days weekly, I’m clapping. Have a plan, progressively challenge it, and prioritize technique and intent—don’t let optimization content convince you that you’re failing.
On fat loss, you gave me a memorable split: are you a cook or a baker?
Fat loss is conceptually simple and practically hard. Cooks want rules and flexibility; bakers want every gram prescribed. Neither is morally better. Measure food for a couple weeks first—people routinely find more fat and carbs, less protein, than they thought. Awareness lets you choose.
Exercise matters, though machines overstate calories and the body can compensate. Nutrition can drive weight loss, but exercise helps people keep it off. My five-four-three-two-one framework starts with being active five days, structured exercise four days, and sweating hard at least three. Add strength work and a genuinely high-heart-rate day when appropriate.
You looked at my bloods and basically said: don’t self-diagnose, but my cholesterol markers weren’t great, especially with family history and keto.
Bloodwork is indirect information, not a verdict. Saturated fat isn’t evil; context is everything. But if markers worsen after a dietary change and there’s family history, talk to your physician and examine actual risk predictors, including appropriate imaging. Lifestyle can move a lot, but sometimes medication belongs in the plan. It’s not lifestyle versus medicine.
Your vitamin D was low-ish, omega score low, and mercury near high, so the answer isn’t simply more fish oil. Improve the source. Food, sunlight, and real life win when possible, but people work nights, travel, parent alone, and lack sun. Give yourself grace. Supplements can correct genuine gaps.
What gets stubborn people to change? Information clearly isn’t enough.
Usually it’s personal: a diagnosis, someone close getting hurt, your own data, becoming a parent, realizing you sacrificed yourself for twenty years. And goals can be bad. Losing twelve pounds, ending shoulder pain, improving digestion, and getting energy back can be a huge win. Get healthy first; fat loss may become easier.
The final question was: if you knew you’d fail, what would still be worth doing?
Honestly, all of it, man. I’m ultra-competitive, but losing doesn’t bother me that much. Being with my kids, building something, competing—the doing is the good part. The process is dope. The podium is the process.